Phrase guide

lateral rectus

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 longest of the four extraocular muscles of the eyeball in the orbit, which arises by two heads from the border of the optic foramen and inserts into the lateral aspect of the sclera.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the ocular muscle whose contraction turns the eyeball outward

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: abducens muscle, lateral rectus muscle, rectus lateralis

Antonyms: none provided

Broader terms: ocular muscle, eye muscle

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Chinese Mandarin: 外直肌 (wàizhíjī) — muscle
  • Italian: muscolo retto laterale — muscle
  • Spanish: recto lateral — muscle
  • Spanish: músculo recto lateral — muscle