(ichthyology) A bony, finger-like projection of the gill arch filaments of fish, used for food retention in some species.

(sports) Abbreviation of Denver.

(music) A style of Jamaican dance music originating in the late 1950s, combining elements of Caribbean calypso and mento with American jazz and rhythm and blues; it was the precursor to rocksteady ...

(grammar) Initialism of accusativus cum infinitivo. / (electronics) adjacent channel interference. / (medicine) Initialism of autologous chondrocyte implantation.