Squama (or squamous, squame) refers to a structure shaped like a decumbent scale of a fish.
More specifically, it can refer to: Squama frontalis Squama occipitalis Squama temporalis, the squamous portion of the temporal bone Squamous cell
In Crustacea, it can refer to the scaphocerite, a scale-like, flattened exopod of the antenna.
In the Bivalvia, it refers to a thin, long, concentric imbrication.
Squamous epithelium refers to epithelium, e.g. the skin, composed of squamous cells.
See also: Desquamation