'gel' definitions:

Definition of 'gel'

From: WordNet
noun
A colloid in a more solid form than a sol [syn: gel, colloidal gel]
noun
A thin translucent membrane used over stage lights for color effects [syn: gelatin, gel]
verb
Become a gel; "The solid, when heated, gelled"
verb
Apply a styling gel to; "she mousses her hair" [syn: mousse, gel]