cœlosperm Bot.
(ˈsiːləʊˌspɜːm)
[f. Gr. κοῖλο-ς hollow + σπέρµα seed.]
1. The seed of some umbelliferous plants, which is curved longitudinally so as to be concave on the inner surface.
2. An umbelliferous plant having such a seed.
| 1864 Webster cites Henslow. |