divider

UK: /dɪˈvaɪdə^r/ US: /dɪˈvaɪdɚ/ ,(di vī′dər)

WordReference Random House Learner's Dictionary of American English © 2025

di•vid•er /dɪˈvaɪdɚ/   n. [countable]

1. a person or thing that divides:
   a room divider.
2. Weights and Measures dividers, [plural] a pair of compasses, such as for dividing lines or measuring.

WordReference Random House Unabridged Dictionary of American English © 2025

di•vid•er  (di vī′dər), n. 

1. a person or thing that divides.
2. Weights and Measures dividers, a pair of compasses, as used for dividing lines, measuring, etc.
3. a partition between two areas or dividing one area into two, as a piece of cardboard in a box or a bookcase jutting out from a wall.
4. Furniture See room divider. 
5. Mining bunton.

• divide + -er¹ 1520–30

Collins Concise English Dictionary © HarperCollins Publishers::

divider / dɪˈvaɪdə/ noun

1. Also called: room divider a screen or piece of furniture placed so as to divide a room into separate areas
2. a person or thing that divides
3. an electrical circuit with an output that is a well-defined fraction of the given input: a voltage divider