The Collaborative International Dictionary of English v.0.48:
Gelly \Gel"ly\ (j[e^]l"l[y^]), n. Jelly. [Obs.] --Spenser. [1913 Webster]WordNet (r) 3.0 (2006):
gelly n 1: a type of dynamite in which the nitroglycerin is absorbed in a base of wood pulp and sodium or potassium nitrate [syn: gelignite, gelly]