dander

Short definition from Wiktionary

Noun

1. 1
   Dandruff—scaly white dead skin flakes from the human scalp.
2. 2
   Hair follicles and dead skin shed from mammals.
3. 3
   Allergen particles that accumulate on and may be shed from the skin and fur of domestic animals, especially from household pets such as cats and dogs.
4. 4
   A cinder; (in the plural) the refuse of a furnace
5. 5
   Passion, temper, anger. Usually preceded by "have" or "get" and followed by "up".

Verb

1. 1
   To wander about.
2. 2
   To maunder, to talk incoherently.