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

waterline

play
noun wa·ter·line \ˈwȯ-tər-ˌlīn, ˈwä-\

Simple Definition of waterline

  • the waterline : the level that water reaches on the side of a ship

  • : a horizontal mark on a wall or other surface that was made by water during a flood and that shows how high the water was

Full Definition of waterline

  1. :  a line that marks the level of the surface of water on something: as a (1) :  the point on the hull of a ship or boat to which the water rises (2) :  a line marked on the outside of a ship that corresponds with the water's surface when the ship is afloat on an even keel under specified conditions of loading b :  shoreline 1

Examples of waterline

  1. We repaired the hull below the waterline.



Circa 1625

First Known Use of waterline

circa 1625



WATERLINE Defined for Kids

waterline

play
noun wa·ter·line \ˈwȯ-tər-ˌlīn, ˈwä-\

Definition of waterline

  1. :  any of several lines marked on the outside of a ship that match the surface of the water when the ship floats evenly




Seen and Heard

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

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders spindrift pince-nez duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ