Bivalve
[Noun]
Webster's Dictionary 1828
1. An animal having two valves, or a shell consisting of two parts which open and shut. Also a
pericarp in which the seed-case opens or splits into two parts.
2. BI'VALVE
Bivalve
[Adjective]
Webster's Dictionary 1913
Having two shells or valves which open and shut, as the
oyster and certain seed vessels.
Bivalve
[Noun]
Webster's Dictionary 1913
1. A
mollusk having a shell consisting of two lateral plates or valves joined together by an elastic
ligament at the
hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the
clam, -- or by one, as in the
oyster. See
Mollusca.
2. A
pericarp in which the seed case opens or splits into two parts or valves.
Bivalved
[Adjective]
Webster's Dictionary 1913