mainsail

play
noun main·sail \ˈmān-ˌsāl, ˈmān(t)-səl\

Definition of mainsail

  1. :  the principal sail on the mainmast — see sail illustration

15th Century

First Known Use of mainsail

15th century


MAINSAIL Defined for English Language Learners

mainsail

play
noun main·sail \ˈmān-ˌsāl, ˈmān(t)-səl\

Definition of mainsail for English Language Learners

  • : the largest sail of a sailing ship


MAINSAIL Defined for Kids

mainsail

play
noun main·sail \ˈmān-ˌsāl, -səl\

Definition of mainsail for Students

  1. :  the principal sail on the mainmast

Learn More about mainsail


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

acid in temper, mood, or tone

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
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!