A semi-solid to almost solid colloid of a solid and a liquid, such as jelly, cheese or opal.
A girl.
Any gel intended for a particular cosmetic use, such as for styling the hair.
To come together to form something; to cohere.
To apply (cosmetic) gel to (the hair, etc).
To become a gel.
To develop a rapport.
An adhesive made from elastic polymers (typically latex) mixed in a solvent to keep them fluid enough to be used.