- A small tree, Coccoloba uvifera, that grows on sandy beaches in tropical America; it has clusters of purple fruit.
- The gulfweed.
- The clusters of gelatinous egg capsules of a squid (Loligo).
- Any animal in the genus Molgula, bottom-dwelling sea squirts that look like peeled grapes.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for sea grape in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)