Scapula \Scap"u*la\ (sk[a^]p"[-u]*l[.a]), n.; pl. L. Scapul[ae], E. Scapulas. [L.]

1. (Anat.) The principal bone of the shoulder girdle in mammals; the shoulder blade.

2. (Zo["o]l.) One of the plates from which the arms of a crinoid arise.

Source: Webster's Revised Unabridged Dictionary (1913)