Sé·mil·lon also Se·mil·lon 
(sāmēl-yôɴ)
(sāmēl-yôɴ)n.
1. A variety of grape originally grown in France that is often blended with other grapes to make white wine, including the French Sauternes.
2. An often dry white wine made from this grape.
[French, from obsolete sémilion, from dialectal semilhoun, from Old Provençal semilhar, to sow, from seme, seed, from Latin sēmen; see SEMEN.]