syconium
Concise Oxford English Dictionary © 2008 Oxford University Press:
syconium /sʌɪˈkəʊnɪəm/
▶noun (pl. syconia /-nɪə/) Botany a fleshy hollow receptacle that develops into a multiple fruit, as in the fig.
– origin C19: mod. L., from Gk sukon ‘fig’.
'syconium' also found in these Oxford entries:

