(music) A stringed instrument of the viol family, a variant of the octobass distinguished by its extreme size -- at more than ten feet all, it must be performed by a person on a platform.

(slang, US) Used to denote compounding levels of dare "seriousness"; the escalation of a double dog dare.

plural of triple star system

plural of triple contrabass viol

plural of triple witching hour

The final hour of trading during which three types of derivatives contracts expire.

(medicine, pathology) A type of breast cancer, affecting African women more than white women, in which the three normal receptors are absent.

plural of triple negative breast cancer

(databases) A database designed for the storage and retrieval of RDF (Resource Description Framework) metadata in the form of triples.

plural of triplestore