Meaning
A clear, deep, red variety of corundum, valued as a precious stone.
Etymology
Origin: Middle English
From Middle English ruby, rube, from Old French rubi, from Medieval Latin rubīnus. Doublet of rubi and rubine. Etymology 1 sense 7 (“pronunciation guide”) is from the British 5½-point type size (etymology 1 sense 6), used for annotations in printed documents.
Synonyms & Antonyms
NYT Puzzle Appearances
Accepted in 1 recorded puzzle: