Used Rarely. gravamen is in the lower 50% of commonly used words in the Collins dictionary
The coconut endosperm is a nuclear type. In very young coconut fruit (about 50mm long) the endosperm is found as a clear fluid in which float numerous nuclei of various sizes. This fluid is compactly filling the embryo sac in which the embryo is developing.
Technically speaking, botanists classify the coconut as a drupe, not a nut. A drupe is a fleshy fruit enclosing a hard-shelled stone or seed and composed of an outer, middle, and inner layer. While a nut is a dry fruit consisting of a kernel or seed enclosed in a woody shell.