An edge or border (originally specifically of the sea or a body of water).
A projecting rim, especially of a hat.
The topmost rim or lip of a container.
To be full to overflowing.
Of pigs: to be in heat, to rut.
To fill to the brim, upper edge, or top.
The part of a shore between high water and low water, especially the beach exposed at maximum ebb spring tides.