noun

rainbow

rainbow

I saw a beautiful rainbow after the rain.

I saw a beautiful rainbow after the rain.

The prism created a small rainbow on the wall.

The prism created a small rainbow on the wall.

((a/the)) rainbow an arch of colours in the sky I saw a beautiful rainbow after the rain.

Synonyms: arc, spectrum

A compound of 'rain' and 'bow' (an arch). It refers to the arch of colours seen in the sky after rain.

Think of it as a 'bow' (like for shooting arrows) that appears in the sky with the 'rain'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.