triquetrum

== English == === Etymology === From Latin triquetrus. === Pronunciation === === Noun === triquetrum (plural triquetra) (anatomy) The triquetral bone (astronomy) An astronomical instrument. ==== Derived terms ==== triquetral triquetrous triquetrum bone ==== Translations ==== === References === "Anatomy Glossary" == Latin == === Adjective === triquetrum inflection of triquetrus: nominative/accusative/vocative neuter singular accusative masculine singular