adjective
Definition: Describing someone who is subtly cruel or malicious, often in a sly or spiteful way.
Example: She made a catty comment about her friend's outfit.
noun
Definition: A unit of weight used in Southeast Asia, particularly in China, that is equal to about 500 grams or 1.1 pounds.
Example: The package weighed five catty, which is about 2.5 kilograms.