A small dish, commonly deeper than a plate, in which a cup is set at table.
A flat, shallow caisson for raising sunken ships.
A shallow socket for the pivot of a capstan.
a small shallow dish for holding a cup at the table
a small type of dishware specifically for use with a cup - a larger cup intended for coffee or a smaller teacup for tea
A small plate with an indented center to hold the base of a matching cup to keep it from sliding when the pair were carried by the rim of the saucer. The saucer may catch spills from the cup and for a time it was the fashion to pour from the cup to the saucer to cool the drink, setting the cup on a cup plate.