uniformity

fictitious / overhead, aerial

a deltoid muscle

hiding one's embarrassment

(weaponry) hidden/concealed weapons

sense organ (an organic sensor)

blindfold / blinkers / vertical cover: fence for a house, or curtain for a cupboard or similar storage space

A triangular white cloth headdress placed on the forehead to signify a ghost in traditional Japanese theatre and artwork. Also known as a tenkan.

shoe hiding (prank among children)

a kind of bridal headdress made of a wide band of silk, commonly but not exclusively white, that encircles the bride's hair, with the topknot rising through the middle