Meaning of VEIN in English

VEIN

( n. )

A narrow mass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; -- often limited, in the language of miners, to a mineral vein or lode, that is, to a vein which contains useful minerals or ores.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.