Meaning of TUFF in English

TUFF

transcription, транскрипция: [ ˈtəf ]

noun

Etymology: earlier tuph, tuft porous rock, from Middle French tuf, from Old Italian tufo

Date: 1815

: a rock composed of the finer kinds of volcanic detritus usually fused together by heat

• tuff·a·ceous ˌtə-ˈfā-shəs adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.