Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “motion”

motion

noun  /ˈmoʊ·ʃən/ us  

motion noun (MOVEMENT)

[C/U] the act or process of moving, or a particular movement: [U] His range of motion was exactly equal on both sides. [C] She moved her finger in a circular motion.

motion noun (FORMAL REQUEST)

[C] a formal request, usually one made, discussed, and voted on at a meeting: [+ to infinitive] Someone made a motion to increase the membership fee. [C] A motion is also a request made to a judge in court for something to happen. in motion Something in motion is moving or operating or has started: The alarm rang and suddenly everyone was in motion. The governor’s request set in motion the process for receiving federal funds.

motion

verb [always + adv/prep]  /ˈmoʊ·ʃən/ us  

motion verb [always + adv/prep] (SIGNAL)

to make a signal to someone, usually with your hand or head: [T] He motioned me to sit down. [I] I saw him motion to the man at the door.
(Definition of motion from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of motion?
Add Cambridge dictionaries to your browser to your website

Definitions of “motion” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More