'Catty' definitions:

Definition of 'catty'

From: WordNet
adjective
Marked by or arising from malice; "a catty remark" [syn: bitchy, catty, cattish]
noun
Any of various units of weight used in southeastern Asia (especially a Chinese measure equal to 500 grams) [syn: catty, cattie]

Definition of 'Catty'

From: GCIDE
  • Catty \Cat"ty\, n. [Malay kat[imac]. See Caddy.] An East Indian Weight of 11/3 pounds. [1913 Webster] catty-corner