Meaning & use
broad beam
Last updated
Meanings
nouncountabletechnical
A wide, flat horizontal part of a ship or structure that supports weight across a large area.
Grammar: Countable: one broad beam, two broad beams.
Patterns
- a broad beam
- broad beams
The ship's deck rested on a broad beam that ran from side to side.
Engineers used a broad beam to carry the heavy load over the open space.
The old barn was held up by a broad beam across the middle.
nounsingularfigurative
A wide, strong smile that shows great happiness or satisfaction.
Grammar: Usually singular and often used with 'wear' or 'have': She wore a broad beam.
Patterns
- wear a broad beam
- have a broad beam
- with a broad beam
He walked in with a broad beam after winning the race.
Her broad beam told us the news was good before she spoke.
The child's broad beam lit up the whole room.
Word forms
| plural | broad beams |
|---|
Common combinations
- a broad beam of light
- A broad beam of light shone through the open door.
- support on a broad beam
- The roof is supported on a broad beam.
- wear a broad beam
- She wore a broad beam all through the party.
- broad beam of timber
- The ceiling was made of a broad beam of timber.
Synonyms and how they differ
- girder
- A girder is a strong metal beam, often used in bridges and buildings; 'broad beam' emphasizes width rather than strength.
- joist
- A joist is a smaller beam that supports a floor or ceiling; a broad beam is wider and usually more structural.
- smile
- A smile is the general word for a happy expression; 'broad beam' suggests a very wide, obvious smile.
Word family
Commonly confused: broad beam or broad in the beam?
broad beam vs broad in the beam
This is an informal phrase meaning 'having wide hips', not the same as the technical noun 'broad beam'.
Practice
The ceiling was held up by a ___ that stretched across the room.
Choose one answer.
A 'broad beam' is a wide structural support, which fits a ceiling. 'Broad smile' and 'broad hint' are not structural, and 'broad jump' is a sports event.
Make it your own
Write a sentence using “broad beam”, then check it and compare it with the examples above.