lb

abbreviation (1)

Definition of lb

 (Entry 1 of 2)

pound

LB

abbreviation (2)

Definition of LB (Entry 2 of 2)

Labrador

History and Etymology for lb

Abbreviation (1)

Latin libra

Keep scrolling for more

Keep scrolling for more

More Definitions for lb

Kids Definition of lb

pound
Hint: The abbreviation lb is short for the Latin word libra, meaning “pound.”

Medical Definition of lb

pound

More from Merriam-Webster on lb

Nglish: Translation of lb for Spanish Speakers

Britannica.com: Encyclopedia article about lb

Comments on lb

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

WORD OF THE DAY

miscellaneous remnants or debris

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
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!