hair·ball 
(hârbôl′)
(hârbôl′)n.
A small mass of hair in the stomach or intestine of an animal, such as a cat, that is accumulated when the animal swallows hair while licking its coat.
- press
- press agency
- press agent
- press agentry
- press association
- pressboard
- press box
- press charges
- press conference
- pressed for time
- presser
- press gang
- pressgang
- press-gang
- pressing
- pressingly
- press kit
- press luck
- pressman
- pressmark
- press of sail
- press one's luck
- pressor
- press/push (one's) luck
- press release