1 entry 1 source
Pneumatocyst
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.
1 entry 1 source
Part of speech: noun (n.)
A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.