Available Definitions:
1) v. t. - To make thin or slender; to draw out so as to lessen the thickness.
2) v. t. - To lessen; to palliate; to lessen or weaken the force of; to diminish the conception of, as crime, guilt, faults, ills, accusations, etc.; -- opposed to aggravate.
3) v. t. - To lower or degrade; to detract from.
4) v. i. - To become thinner; to make excuses; to advance palliating considerations.
5) a. - Thin; slender.