trope

1. A figure of speech using words in nonliteral ways, such as a metaphor.

2. A word or phrase interpolated as an embellishment in the sung parts of certain medieval liturgies.

[Latin tropus, from Greek tropos, turn, figure of speech; see trep- in Indo-European roots.]

.... Am_heritage

a word or expression used in a figurative sense [Greek tropos style, turn]

.... Collins Essential