1

trepan

verb tre·pan \ tri-ˈpan \
|Updated on: 12 Jun 2018

Definition of trepan

trepanned; trepanning
1 : to use a trephine on (the skull)
2 : to remove a disk or cylindrical core (as from metal for testing)

trepanation

play \ˌtre-pə-ˈnā-shən\ noun

Origin and Etymology of trepan

Middle English, from trepane trephine

Other Metals and Metallurgy Terms


2

trepan

noun tre·pan \ ˈtrē-ˌpan , tri-ˈpan \

Definition of trepan

: a heavy tool used in boring mine shafts

Origin and Etymology of trepan

Middle English trepane trephine, Anglo-French trepan, from Medieval Latin trepanum, from Greek trypanon auger, from trypan to bore

Other Mining and Drilling Terms


3

trepan

noun tre·pan \ tri-ˈpan \

Definition of trepan

1 archaic : trickster
2 archaic : a deceptive device : snare

Origin and Etymology of trepan

origin unknown


4

trepan

verb tre·pan \ tri-ˈpan \

Definition of trepan

trepanned; trepanning
archaic

First Known Use of trepan

circa 1656

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about trepan


Seen and Heard

What made you want to look up trepan? 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

one who attends or assists a leader

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!