Meaning

noun something with a round shape resembling a flat circular plate

noun a small shallow dish for holding a cup at the table

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

originFrom Middle English saucer, from Old French saussier (and feminine saussiere; hence modern French saucier m, saucière f).

Etymology from Wiktionary, CC BY-SA 3.0