petcock

noun
pet·​cock | \ˈpet-ˌkäk \

Definition of petcock 

: a small cock, faucet, or valve for releasing a gas (such as air) or draining

First Known Use of petcock

circa 1864, in the meaning defined above

History and Etymology for petcock

pet- (perhaps from petty) + cock

Keep scrolling for more

Learn More about petcock

Dictionary Entries near petcock

pet bank

petchary

Petcheneg

petcock

pet day

pete

peteca

Statistics for petcock

Look-up Popularity

Time Traveler for petcock

The first known use of petcock was circa 1864

See more words from the same year

More from Merriam-Webster on petcock

See words that rhyme with petcock

Comments on petcock

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

WORD OF THE DAY

by force of circumstances

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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!