saucer

noun

1. a small, round, shallow dish to hold a cup.
2. something resembling a saucer, as in shape.

noun

1. a small round dish on which a cup is set
2. any similar dish

n.mid-14c., from Anglo-Latin saucerium and Old French saussier (Modern French saucière) “sauce dish,” from Late Latin salsarium, neuter of salsarius “of or for salted things,” from Latin salsus (see sauce (n.)). Originally a small dish or pan in which sauce is set on a table. Meaning “small, round, shallow vessel for supporting a cup and retaining any liquid which might be spilled” is attested from c.1702.