DictionarysunbeamRay of sunlight
noun

sunbeam

SUN-beem/ˈsʌnbiːm/

A ray of sunlight.

A sunbeam crosses the dim room from the high window.

A single golden sunbeam crosses a dim room from a high window.
Etymology

Beam once meant a tree or timber; its light sense probably arose from its use for the biblical “pillar of fire.” Sunbeam combines that ray sense with sun.

In context

RapidSmartFacts0:33
Without particles, a sunbeam would actually be invisible. This scattering also explains why you see thick rays coming from behind clouds.
Why Dust Particles Float in Sunbeams (Crepuscular Rays Explained) | RapidSmartFacts

More examples

  • Dust drifted through the narrow sunbeam.
  • The cat slept in a warm sunbeam.
  • A sunbeam broke through the clouds.

Forms

sunbeam · sunbeams

Similar words

ray
Ray is any narrow beam of light; sunbeam specifically comes from the sun.
shaft of light
A shaft of light describes a visible narrow beam; a sunbeam identifies its source.