synecdochy

Etymology
From.

Noun

 * 1)  The use of a synecdoche.

Usage notes
synecdochy is rarely used; more often synecdoche is used both for the figure of speech and the use of this figure of speech.

Hypernyms

 * Some class synecdochy as a type of metonymy, while others consider them exclusive terms.
 * Some class synecdochy as a type of metonymy, while others consider them exclusive terms.