[buːm], (Noun)

Definitions:
- a loud, deep, resonant sound
(e.g: the deep boom of the bass drum)


Phrases:
- boom boom

Origin:
late Middle English (as a verb): ultimately imitative; perhaps from Dutch bommen ‘to hum, buzz’

[buːm], (Verb)

Definitions:
- make a loud, deep, resonant sound
(e.g: thunder boomed in the sky)


Phrases:
- boom boom

Origin:
late Middle English (as a verb): ultimately imitative; perhaps from Dutch bommen ‘to hum, buzz’

[buːm], (Interjection)

Definitions:
- used to imitate a loud, deep, resonant sound
(e.g: the boat was lifted up and then boom, down it went)


Phrases:
- boom boom

Origin:
late Middle English (as a verb): ultimately imitative; perhaps from Dutch bommen ‘to hum, buzz’

[buːm], (Noun)

Definitions:
- a period of great prosperity or rapid economic growth
(e.g: the London property boom)


Phrases:

Origin:
late 19th century (originally US): probably from boom

[buːm], (Verb)

Definitions:
- experience a period of great prosperity or rapid economic growth
(e.g: business is booming)


Phrases:

Origin:
late 19th century (originally US): probably from boom

[buːm], (Noun)

Definitions:
- a pivoted spar to which the foot of a vessel's sail is attached, allowing the angle of the sail to be changed

- a movable arm over a television or film set, carrying a microphone or camera
(e.g: a boom mike)

- a floating beam used to contain oil spills or to form a barrier across the mouth of a harbour or river


Phrases:

Origin:
mid 16th century (in the general sense ‘beam, pole’): from Dutch, ‘beam, tree, pole’; related to beam