¯\_(ツ)_/¯

There aren't any definitions for From petro- (rock), from Greek petros (stone) + trichos (the filamentous projections forming the coat of an animal or covering the scalp of a human). Coined by researcher C. Barton Smith yet.

Can you define it?

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×