A circular piece of elastic used to hold hair in place.

Having grey hair. / (by extension, figuratively) old, wise, experienced.

plural of hair shirt

(printing) A fine line drawn out at the top or bottom of a letter. / A very fine line in penmanship.

Alternative spelling of hair dryer; alternative spelling of hairdryer

plural of hair-dryer

(cytology) a group of cellular processes resembling hair, characteristic of hair cells

plural of hair bundle

plural of axillary hair

(uncountable) Androgenic hair growing in the armpit, normally beginning at the onset of, or shortly after, pubarche. / (countable) A single strand of axillary hair.