Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

joint

play
noun \ˈjȯint\

Simple Definition of joint

  • : a point where two bones meet in the body

  • : a place where two things or parts are joined

  • : a particular place

Source: Merriam-Webster's Learner's Dictionary

Full Definition of joint

  1. 1 a (1) :  the point of contact between elements of an animal skeleton with the parts that surround and support it (2) :  node 5b b :  a part or space included between two articulations, knots, or nodes c :  a large piece of meat for roasting

  2. 2 a :  a place where two things or parts are joined b :  a space between the adjacent surfaces of two bodies joined and held together (as by cement or mortar) c :  a fracture or crack in rock not accompanied by dislocation d :  the flexing part of a cover along either spine edge of a book e :  the junction of two or more members of a framed structure f :  a union formed by two abutting rails in a track including the elements (as bars and bolts) necessary to hold the abutting rails together g :  an area at which two ends, surfaces, or edges are attached

  3. 3 a :  a shabby or disreputable place of entertainment b :  place, establishment c slang :  prison 2

  4. 4 :  a marijuana cigarette

jointed play \ˈjȯin-təd\ adjective
jointedly adverb
jointedness noun
out of joint
  1. 1 a of a bone :  having the head slipped from its socket b :  at variance

  2. 2 a :  disordered 2a b :  being out of humor :  dissatisfied <losing put him out of joint>

Examples of joint in a sentence

  1. She's been having pain in her muscles and joints.

  2. seal the joints of the pipes



Origin of joint

Middle English jointe, from Anglo-French, from joindre


First Known Use: 13th century

Rhymes with joint


2

joint

adjective

Simple Definition of joint

  • : combining the work of two or more people or groups of people

  • : done by or involving two or more people

  • : doing something together

Source: Merriam-Webster's Learner's Dictionary

Full Definition of joint

  1. 1 :  united, combined <the joint influences of culture and climate>

  2. 2 :  common to two or more: as a (1) :  involving the united activity of two or more <a joint effort> (2) :  constituting an activity, operation, or organization in which elements of more than one armed service participate <joint maneuvers> (3) :  constituting an action or expression of two or more governments <joint peace talks> b :  shared by or affecting two or more <a joint fine>

  3. 3 :  united, joined, or sharing with another (as in a right or status) <joint heirs>

  4. 4 :  being a function of or involving two or more variables and especially random variables

jointly adverb

Examples of joint in a sentence

  1. filing a joint tax return

  2. They had a joint account at the bank.

  3. divorced parents who have joint custody of their child



Origin of joint

Middle English, from Anglo-French, from past participle of joindre


First Known Use: 14th century


3

joint

verb

Definition of joint

  1. transitive verb
  2. 1 :  to separate the joints of (as meat)

  3. 2 a :  to unite by a joint :  fit together b :  to provide with a joint :  articulate c :  to prepare (as a board) for joining by planing the edge

  4. intransitive verb
  5. 1 :  to fit as if by joints <the stones joint neatly>

  6. 2 :  to form joints as a stage in growth —used especially of small grains



Origin of joint

1joint


First Known Use: 1530



JOINT Defined for Kids

1

joint

play
noun \ˈjȯint\

Definition of joint for Students

  1. 1 :  a point where two bones of the skeleton come together usually in a way that allows motion <The knee is a joint.>

  2. 2 :  a place where two things or parts are joined <The pipe has a leaky joint.>

  3. 3 :  a part of a plant stem where a leaf or branch develops

  4. 4 :  a business establishment <a fried chicken joint>

jointed \ˈjȯin-təd\ adjective



2

joint

play
adjective

Definition of joint for Students

  1. 1 :  joined together <The joint effect of wind and rain caused erosion.>

  2. 2 :  done by or shared by two or more <a joint bank account>

jointly adverb



Medical Dictionary

joint

play
noun \ˈjȯint\

Medical Definition of joint

  1. :  the point of contact between elements of an animal skeleton whether movable or rigidly fixed together with the surrounding and supporting parts (as membranes, tendons, or ligaments) <the capsule of the shoulder joint>

out of joint


Illustration of joint


Law Dictionary

joint

adjective

Legal Definition of joint

  1. 1 :  common to two or more: as a :  involving the combined activity or negligence of two or more <a joint tort> — see also joint tortfeasor — compare several b :  shared by or affecting two or more as a unit <a joint account>

  2. 2 :  united, joined, or sharing with another (as in a right or status) <joint heirs>





Seen and Heard

What made you want to look up joint? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by grandiloquent style

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce soothe perplex disapprove
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ