prosa

(Lat.). Diminutive of prosa, referring to the addition in medieval manuscripts of new words to the melismas of offertories, alleluias, and other pre-existing chants of the Roman rite.

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PROE-soo-lah. [Latin] A text created to fit an existing melisma of Gregorian chant. Additional words to a preexisting composition.

Tropes are the product of a medieval practice of poetic and musical expansion; and in a music-historical context, the term “trope” refers to any textual or melodic figure that is added to an existing chant without altering the textual or melodic structure of the said chant.

Three types of addition are found in music manuscripts: new melismas without text (mostly unlabelled or called "trope" in manuscripts) addition of a new text to a pre-existing melisma (more often called prosula, prosa, verba or versus)

A trope is a word used in a nonliteral sense to create a powerful image. If you say, "Chicago's worker bees buzz around the streets," you're using a trope. Workers aren't literally bees, but it suggests how fast they move. Trope refers to different types of figures of speech, such as puns, metaphors, and similes.

Though the word trope has taken on a negative connotation in recent years as a signifier of an overused genre convention, literary tropes - including irony, hyperbole, and synecdoche - are tools you can employ to elevate your writing.

The term trope comes from the Latin tropus (a figure of speech) and the Greek word tropos (a turn, direction, course, way; manner, style, fashion).

: a common or overused theme or device : cliché the usual horror movie tropes. 2. : a phrase or verse added as an embellishment or interpolation to the sung parts of the Mass in the Middle Ages. -trope.

The term trope comes from the Latin tropus (a figure of speech) and the Greek word tropos (a turn, direction, course, way; manner, style, fashion).