sea bean

noun

1

a

: any of various beans or showy seeds of tropical origin that are frequently carried by ocean currents to remote shores and often used as ornaments: such as

(1)

: the large chocolate-colored seed of a snuffbox bean used in poultices and as an emetic

(2)

: oxeye bean

(3)

: nicker nut

b

: a plant producing sea beans

2

: the hard flat rounded calcareous operculum of any of various mollusks (as those of the family Turbinidae)

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