Definition of: mantelet

(man′təl·, et, mant′lit) noun
1. A small mantle or short cloak.
2. Mil. A screen or shield, as in an embrasure, to protect the defenders; a movable roof to protect a besieging party; also, a shield or protection, made of metal, rope, or wood, placed at openings, portholes, etc., to protect the gunner from bullets or smoke.
3. In target-shooting, a bulletproof enclosure for observation.
4. A movable shelter used by hunters. Also spelled mantlet. [<OF, dim. of mantel. See MANTLE.]