(dated) A toast rack (“rack for holding toasted bread”).

Used other than figuratively or idiomatically: see cat, tongue. / A small chocolate bar or (sometimes chocolate-covered) cookie/biscuit which is shaped somewhat like the tongue of a cat.

A tenacious fighter.

(idiomatic, sometimes attributive) A team comprising one male and one female, either working as associates or having one as the second-in-command to the other.

A stretch position, naturally and comfortably assumed by a limber feline or imitated by a human (notably as a gymnastic exercise), on all fours with the back maximally arched and pointing upwards.

Something to be suspicious of.

plural of cat box

A box used to provide a soiling area for (usually) pet cats, generally filled with sand, clay chips, etc.

(idiomatic, dated) A self-satisfied person. / (idiomatic) A highly sought-after and fancy example of something.

An urban feral cat. / (figuratively, humorous) A slut, a sexually promiscuous woman or prostitute.