Bascinet n. : A light helmet, at first open, but later made with a visor.

Example:


Taxonomy
bascinet, visor, helmet, great helm, holes, 14th century, free encyclopedia, neck, liner, 15th century, pivots, hand-to-hand combat, vervelles, inside the helmet, aventail, pig, camail, plate.

Defination from the web:
bascinet. ... Armet · Barbute · Bascinet · Burgonet · Cervelliere · Close helm · Great helm · Frog mouth · Hounskull · Lobster tail pot · Mail coif · Nasal ...