"saucer" in the noun sense
1. disk, disc, saucer
something with a round shape resembling a flat circular plate
"the moon's disk hung in a cloudless sky"
a small shallow dish for holding a cup at the table
3. dish, dish aerial, dish antenna, saucer
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
4. discus, saucer
a disk used in throwing competitions
Source: WordNet® (An amazing lexical database of English)
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