trope

1. Something recurring across a genre or type of art or literature; a motif.
2. An addition (of dialogue, song, music, etc.) to a standard element of the liturgy, serving as an embellishment.
3. A figure of speech in which words or phrases are used with a nonliteral or figurative meaning, such as a metaphor.
4. A tangent space meeting a quartic surface in a conic.
5. A short cadence at the end of the melody in some early music.
6. A pair of complementary hexachords in twelve-tone technique.
7. A cantillation pattern, or one of the marks that represents it.
8. Any of the ten arguments used in skepticism to refute dogmatism.

Plural tropes