Significat

1. bay, cove, gulf (body of water (especially the sea) more-or-less three-quarters surrounded by land)
2. (colloquial) bald spot in the shape of one of two depressions above the forehead
3. lay-by (widening of a roadway for some length at the expense of a sidewalk or shoulder, serving as a stop or parking space)
4. sinus (sac or cavity in any organ or tissue, or an abnormal cavity or passage caused by the destruction of tissue)