- Hard or padded protective hat - Hard protective hat - Head protection - Headgear for a rider - Padded protective hat - Protection for the head - Protective headwear
- Brimless hat - Yarmulke changes pal’s luck - A cap which fits the head closely; also, formerly, a
headpiece of iron sewed inside of a cap for protection. - Any plant of the labiate genus Scutellaria, the calyx of
whose flower appears, when inverted, like a helmet with the visor
raised. - The Lophiomys.