host

noun (1)
\ˈhōst \

Definition of host 

(Entry 1 of 5)

1 : army the destruction of Pharaoh's host in that sea— W. L. Sperry

2 : a great number : multitude a whole host of options

host

verb (1)
hosted; hosting; hosts

Definition of host (Entry 2 of 5)

intransitive verb

: to assemble in an army usually for a hostile purpose

host

noun (2)

Definition of host (Entry 3 of 5)

1a : one that receives or entertains guests socially, commercially, or officially were greeted at the door by our host ourself will mingle with society and play the humble host— William Shakespeare

b : one that provides facilities for an event or function our college served as host for the basketball tournament

2a biology : a living animal or plant on or in which a parasite lives

b biology : the larger, stronger, or dominant member of a commensal or symbiotic pair

c biology : an individual into which a tissue, part, or embryo is transplanted from another

3 : a mineral or rock that is older than the minerals or rocks in it also : a substance that contains a usually small amount of another substance incorporated in its structure

4 : a person who talks to guests on a radio or television program the host of a talk show a game-show host

5 : a computer that controls communications in a network or that administers a database also : server sense 6

host

verb (2)
hosted; hosting; hosts

Definition of host (Entry 4 of 5)

transitive verb

1 : to receive or entertain guests at or for host a dinner : to serve as host (see host entry 3 sense 1a) to host friends

2 : emcee hosted a series of TV programs

host

noun (3), often capitalized

Definition of host (Entry 5 of 5)

religion : the eucharistic bread

First Known Use of host

Noun (1)

13th century, in the meaning defined at sense 1

Verb (1)

15th century, in the meaning defined above

Noun (2)

14th century, in the meaning defined at sense 1a

Verb (2)

15th century, in the meaning defined at sense 1

Noun (3)

14th century, in the meaning defined above

History and Etymology for host

Noun (1)

Middle English, from Anglo-French ost, from Late Latin hostis, from Latin, stranger, enemy — more at guest

Verb (1)

see host entry 1

Noun (2)

Middle English hoste host, guest, from Anglo-French, from Latin hospit-, hospes, probably from hostis

Verb (2)

see host entry 3

Noun (3)

Middle English hoste, oste, from Anglo-French oste, oiste, from Late Latin & Latin; Late Latin hostia Eucharist, from Latin, sacrifice

Keep scrolling for more

Learn More about host

Statistics for host

Look-up Popularity

Time Traveler for host

The first known use of host was in the 13th century

See more words from the same century

Keep scrolling for more

More Definitions for host

host

noun
\ˈhōst \

Kids Definition of host

 (Entry 1 of 4)

1 : a person who receives or entertains guests

2 : a living animal or plant on or in which a parasite lives

host

verb
hosted; hosting

Kids Definition of host (Entry 2 of 4)

: to serve as host to or at host friends hosting a party

host

noun

Kids Definition of host (Entry 3 of 4)

: multitude We faced a host of problems.

host

noun, often capitalized

Kids Definition of host (Entry 4 of 4)

: the bread used in Christian Communion

host

noun
\ˈhōst \

Medical Definition of host 

1 : a living animal or plant on or in which a parasite lives — see definitive host, intermediate host

2 : the larger, stronger, or dominant one of a commensal or symbiotic pair

3a : an individual into which a tissue or part is transplanted from another

b : an individual in whom an abnormal growth (as a cancer) is proliferating

Keep scrolling for more

More from Merriam-Webster on host

Rhyming Dictionary: Words that rhyme with host

Thesaurus: All synonyms and antonyms for host

Spanish Central: Translation of host

Nglish: Translation of host for Spanish Speakers

Britannica English: Translation of host for Arabic Speakers

Comments on host

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

WORD OF THE DAY

to enclose within walls

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!