extremity

. a little wing Anything like a wing, as , : , , .† a turret battlement τ. ἱεροῦ Mt 4:5 Lk 4:9

tinne

an extremity, battlement, parapet, apex.

pinnacle

a winglet, i.e. (figuratively) extremity (top corner)

pinnacle

πτερύγιον, -ου, -τό (dimin. of πτέρυξ), [in LXX chiefly for כָּנָף ;] 1. a little wing. 2. Anything like a wing, as a turret, battlement: τ. ἱεροῦ, Mat.4:5, Luk.4:9.† (AS)