Bascinet

• (n.) A light helmet, at first open, but later made with a visor.
Found on http://thinkexist.com/dictionary/meaning/bascinet/

Bascinet

Bas'ci·net noun [ Middle English bacinet , basnet , Old French bassinet , bacinet , French bassinet , dim. of Old French bacin , French bassin , a helmet in the form of a basin.] A light helmet, at first open, but later made with a visor. [ Written al...
Found on http://www.encyclo.co.uk/webster/B/18

Bascinet

A bascinet or basinet was a 14th and 15th century light helmet, generally conical in shape and without a visor, which was so named from its similarity in appearance to a basin. Sometimes a detachable visor was fitted, these were often pointed with slits for the wearer to see through and perforated to enable breathing.
Found on http://www.probertencyclopaedia.com/browse/FB.HTM

Bascinet

Open faced helmet. Its skull part could be conical or globular. Sometimes it was worn with a visor, and almost always with an aventail.
Found on http://web.ceu.hu/medstud/manual/SRM/gloss.htm
No exact match found