Standard Lemma guide

underframe

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The supporting structure of a piece of furniture, a vehicle, etc.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the internal supporting structure that gives an artifact its shape

Definition source: Princeton WordNet 3.0

Examples

  • the building has a steel skeleton

Meaning relationships

Synonyms: skeleton, skeletal frame, frame

Antonyms: none provided

Broader terms: supporting structure

Narrower terms: chassis, hoop

History

Etymology

From under- + frame.

Across languages

Translations

3 source translations are retained for this English entry.

  • Danish: understel — supporting structure
  • Norwegian Bokmål: understell — supporting structure
  • Norwegian Nynorsk: understell — supporting structure
Real reading context

underframe in complete knowledge articles