Sémillon
Concise Oxford English Dictionary © 2008 Oxford University Press:
Sémillon /ˈsɛmɪjɒ̃/
▶noun a variety of white wine grape grown in France and elsewhere.
■ a white wine made from this grape.
– origin Fr. dial., based on L. semen ‘seed’.
'Sémillon' also found in these Oxford entries:

