saucer

nouns

something with a round shape resembling a flat circular plate

"the moon's disk hung in a cloudless sky"

disc, disk, saucer

a small shallow dish for holding a cup at the table

saucer

is a type of (narrower)

tableware that is relatively flat and fashioned as a single piece

directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation

dish, dish aerial, dish antenna, saucer

a disk used in throwing competitions

discus, saucer