aril
Concise Oxford English Dictionary © 2008 Oxford University Press:
aril /ˈarɪl/
▶noun Botany an extra seed covering, typically coloured and hairy or fleshy.
– derivatives
arillate adjective.
arillate adjective.
– origin C18: from mod. L. arillus, of unknown origin.
'aril' also found in these Oxford entries:

