sea bean

noun

Definition of sea bean

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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