TRAPROCK


Meaning of TRAPROCK in English

n.

Pronunciation: ' trap- ' räk

Function: noun

Etymology: 4 trap

Date: 1813

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

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.