gel

A semi-solid to almost solid colloid of a solid and a liquid, such as jelly, cheese or opal.

A food preparation or dish in the form of a flavored gel.

Any gel intended for a particular cosmetic use, such as for styling the hair.

A film of flexible transparent plastic (such as acetate, celluloid, or cellophane) suitable for making superimpositions or diapositives (image to overlay on other images, especially for overhead projectors); a digital virtual equivalent of this.

To become a gel: to set up.

To develop a rapport.

(figurative) To come together to form something; to cohere.

To apply (cosmetic) gel to (the hair, etc).

(UK, slang) A girl.