- the fruit of citrus plants, in which the flesh consists of fluid-filled hairs and is protected by a tough rind
WordReference Random House Unabridged Dictionary of American English © 2026
hes•per•id•i•um
(hes′pə rid′ē əm),USA pronunciation n., pl. -per•id•i•a (-pə rid′ē ə).USA pronunciation [Bot.]
hes•per•i•date
(he sper′i dāt′),USA pronunciation hes′per•id′e•ous, adj.
- Botanythe fruit of a citrus plant, as an orange.
- Neo-Latin; see hesperidin, -ium
- 1865–70;
Collins Concise English Dictionary © HarperCollins Publishers::
hesperidium /ˌhɛspəˈrɪdɪəm/ n