1Chiefly in plural. The wing of an angel or a representation of such a wing; especially a wing of the type shown in conventional depictions of angels in Western art, typically being large and white, with long feathers at the tip.
In figurative or metonymic use, sometimes as a symbol of angelic, divine, or providential protection, guidance, or comfort.
2In contexts alluding to the death of a person who is envisaged as having become an angel. Now frequently in "to get one's angel wings" (and variants): to die.
3US Any of various marine bivalve molluscs of the family Pholadidae, which have asymmetric valves with elongated anterior ends thought to resemble the wings of an angel.
A skeletal deformity typically affecting waterfowl, in which lateral rotation of the distal wing causes the feathers at the wing tips to point outwards from the body rather than lie flat against it.
Late Middle English. In some forms from angel + wing.