The Collaborative International Dictionary
Soft-shelled crab
Soft-shell \Soft"-shell`\, Soft-shelled \Soft"-shelled`\, a. Having a soft or fragile shell.
Soft-shell clam (Zo["o]l.), the long clam. See Mya.
Soft-shelled crab. (Zo["o]l.) See the Note under Crab, 1.
Soft-shelled turtle. (Zo["o]l.) Same as Soft tortoise, under Soft.
WordNet
soft-shelled crab
n. freshly molted crab with new shell still tender and flexible [syn: soft-shell crab]
edible crab that has recently molted and not yet formed its new shell [syn: soft-shell crab]