Definition of "gel"
- noun
- A semi-solid to almost solid colloid of a solid and a liquid, such as jelly, cheese or opal. 
- Any gel intended for a particular cosmetic use, such as for styling the hair. 
- A girl. 
- verb
- To apply (cosmetic) gel to (the hair, etc). 
- To become a gel. 
- To develop a rapport. 
- Sources