WordNet sense 1 (the tissue forming the hard outer layer (of e.g. a fruit)):

rind, skin

WordNet sense 2 (British politician (1788-1850)):

Robert Peel, Sir Robert Peel

WordNet sense 3 (strip the skin off):

pare

WordNet sense 4 (come off in flakes or thin small pieces):

flake, peel off, flake off

WordNet sense 5 (get undressed):

disrobe, strip, unclothe, undress, discase, uncase, strip down