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Definition of sidebox

sidebox

/ˈsaɪdˌbɑːks/
side · box
Plural:sideboxes
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sidebox Lexical Profile

• noun

1

A designated area or graphical container positioned on the lateral side of a webpage or software interface, typically used for displaying navigation menus, widgets, or supplementary information.

Example

"The web designer moved the user login form into a sidebox to keep the main reading area clean."

2

A secondary storage compartment or container attached to the exterior side of a vehicle, machine, or larger structure.

Example

"The utility truck was equipped with a locking sidebox where the crew stored their most valuable power tools."

Synonyms
View all synonyms for sidebox

• Nearby Words

sideboard
sideboards
sideboob
sidebox
sideburn
sideburned
sideburns

Word Origin & Etymology

A modern English compound formed from 'side' and 'box', commonly used in software interface design and automotive contexts.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sidebox. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sidebox
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