noun trap·rock \ˈtrap-ˈräk\

Definition of TRAPROCK

:  any of various dark-colored fine-grained igneous rocks (as basalt) used especially in road making

Origin of TRAPROCK

First Known Use: 1813


Next Word in the Dictionary: trapsPrevious Word in the Dictionary: trappyAll Words Near: traprock
May 23, 2015
debouch Hear it
to emerge or cause to emerge
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears