Nouns

(n)disk, disc, saucersomething with a round shape resembling a flat circular plate“the moon's disk hung in a cloudless sky”
(n)saucera small shallow dish for holding a cup at the table
(n)dish, dish aerial, dish antenna, saucerdirectional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
(n)discus, saucera disk used in throwing competitions