simile

2. A figure of speech that draws a comparison between two different things, often used in literature and poetry.

The poet used a simile to compare his love to a red rose.

3. An expression that makes an explicit comparison, typically introduced by 'like' or 'as'.

'As brave as a lion' is a common simile.

4. A rhetorical device used to clarify or embellish a description by likening one thing to another.

The teacher explained the concept with a simile, saying the brain works like a computer.