A bonnet holder is an item used to store and protect hats and bonnets. The crossword solutions for the term 'bonnet holder' include hatbox (6 letters), HOOD (4 letters), hatpin (6 letters), bee (3 letters), oleo (4 letters), EASTER (6 letters), and HAT (3 letters). Hatbox, HOOD, and HAT are all items used to store and protect hats and bonnets, while hatpin, bee, oleo, and EASTER are all related to hats and bonnets in some way. Hatpins are used to secure hats to the head, bees are often featured on bonnets, oleo is a type of fabric used to make bonnets, and EASTER is a holiday where bonnets are often worn.