单词 deltoid 释义 deltoid, a. (n.)|dltd|[mod. a. Gr. ή delta-shaped, triangular: see -oid. So F. deltoide (in Par, 16th c.); mod.L. deltoides (Linnus), and deltoideus.]1. Resembling the Greek letter in shape; triangular; esp. in Bot., of a leaf; also t...