Webster's Revised Unabridged Dictionary · 1913

Partlet

Partlet , noun

[Dim. of part.]

1.
A covering for the neck, and sometimes for the shoulders and breast; originally worn by both sexes, but later by women alone; a ruff. [Obsolete] — Fuller
2.
A hen; -- so called from the ruffing of her neck feathers.
Dame Partlett, the hen. — Shakespeare