TOPSTONE

Meaning of TOPSTONE in English

noun a stone that is placed on the top, or which forms the top.

Webster English vocab. Английский словарь Webster. 2012

TOPSTONE — ˈ ̷ ̷ˌ ̷ ̷ noun : capstone
Webster's New International English Dictionary
TOPSTONE — (n.) A stone that is placed on the top, or which forms the top.
Английский словарь Webster
TOPSTONE — ( n. ) A stone that is placed on the top, or which forms the top.
Webster's Revised Unabridged English Dictionary