WordReference Random House Unabridged Dictionary of American English © 2026
ac•a•leph
(ak′ə lef′),USA pronunciation n.
- Invertebrates(in former classifications) any coelenterate of the group Acalephae, including the sea nettles and jellyfishes.
- Greek akalé̄phē stinging nettle, sea anemone
- Neo-Latin acalepha
- 1700–10
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