(n.) A fruit consisting of pulpy, coriaceous, or fibrous exocarp, without valves, containing a nut or stone with a kernel. The exocarp is succulent in the plum, cherry, apricot, peach, etc.; dry and subcoriaceous in the almond; and fibrous in the cocoanut.
Example Sentences:
(1) Hinokiflavone (1) was isolated as the cytotoxic principle from the drupes of Rhus succedanea L. A comparison of the cytotoxicity of 1 and other related biflavonoids, including amentoflavone (2), robustaflavone (3), agathisflavone (4), rhusflavone (5), rhusflavanone (6) and its hexaacetate (7), succedaneaflavanone (8) and its hexaacetate (9), cupressuflavone (10), neorhusflavanone (11), volkensiflavone (12) and its hexamethyl ether (13), spicataside (14) and its nonaacetate (15), morelloflavone (16) and its heptaacetate (17) and heptamethyl ether (18), GB-1a (19) and its hexamethyl ether (20) and 7"-O-beta-glucoside (21), and GB-2a (22), indicates that an ether linkage between two units of apigenin as seen in 1 is structurally required for significant cytotoxicity.
(2) On the outer atoll of Arno, families work together every day, six days a week, collecting fallen drupes, removing the husks, skilfully shucking the flesh (called copra) and drying it in makeshift ovens.
(3) Here, we are dealing with what is known as food-associated allergy syndrome, which is largely based on a cross reaction between certain types of pollen (birch, alder, hazel and mugwort) and food allergens (drupes, pomes, nuts, vegetables such as celery, carrots and fennel, etc.).
Pyrena
Definition:
(n.) A nutlet resembling a seed, or the kernel of a drupe.