loculus
Concise Oxford English Dictionary © 2008 Oxford University Press:
loculus /ˈlɒkjʊləs/
▶noun (pl. loculi /-lʌɪ, -liː/) chiefly Botany each of a number of small separate cavities, especially in an ovary.
– derivatives
locular adjective.
locular adjective.
– origin C19: from L., ‘compartment’.
'loculus' also found in these Oxford entries:

