Definitions
1.NounThe deltoid muscle, a triangular muscle on the human shoulder.
2.NounThe deltoid ligament, a triangular ligament on the human ankle.
3.NounA kite (quadrilateral having two pairs of edges of equal length, the edges of each pair touching each other at one end).
4.NounA deltoid curve (hypocycloid with three cusps).
5.AdjectiveIn the shape of the uppercase Greek letter delta (Δ); triangular.
Of a triangular or roughly triangular shape and attached to the stem via the side.
6.AdjectiveOf a triangular or roughly triangular shape and attached to the stem via the side.
7.AdjectiveOf or pertaining to the deltoid muscle.