Category:Subtend

Sub*tend", v. t. [imp. & p. p. Subtended; p. pr. & vb. n. Subtending.] Etym: [l. subtendere; sub under + tendere to stretch, Extend. See tend.]

Defn: to extend under, or be opposed to; as, the line of a triangle Which subtends the right angle; the chord subtends an arc.