Poetic Form
Blazon
From Old French blason: shield (heraldic description). A Petrarchan convention; Sidney, Spenser, and Shakespeare all engage or subvert it.
Definition
A catalog poem enumerating a beloved's physical attributes item by item, conventionally from head to foot.
Example
Shakespeare's Sonnet 130 parodies the genre: 'My mistress' eyes are nothing like the sun…'