Definitions
1.nounA semi-solid to almost solid colloid of a solid and a liquid, such as jelly, cheese or opal.
2.nounAny gel intended for a particular cosmetic use, such as for styling the hair.
3.verbTo apply (cosmetic) gel to (the hair, etc).
4.verbTo become a gel.
5.verbTo develop a rapport."He was a nice guy, and I got on OK with his friends, but the two of us never really gelled."