ETYM Earlier spelt catty, from Malay katî a weight of 1andfrac13; pounds. Related to Catty.
For storing tea; SYN. tea caddy.

A plastic carrier that holds a CD-ROM and is inserted into a CD-ROM drive. Some PCs, especially older models, have CD-ROM drives that require the use of a caddy. Most current CD-ROM drives do not require a caddy.