Standard Lemma guide

retinaculum

noun · 5 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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  • /ˌrɛtɪˈnækjʊləm/

1

noun

Meaning 1

A connecting band.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

Examples

  • the retinacula of the ileocaecal and ileocolic valves

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

One of the annular ligaments which hold the tendons close to the bones at the larger joints, as at the wrist and ankle.

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

3

noun

Meaning 3

One of the retractor muscles of the proboscis of certain worms.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A loop on the underside of the forewing of some moths.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A small gland or process to which bodies are attached; as, the glandular retinacula to which the pollinia of orchids are attached, or the hooks which support the seeds in many acanthaceous plants.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: jaculator

Antonyms: none provided

History

Etymology

From Latin retināculum, from retinēre (“hold back”).

Across languages

Translations

4 source translations are retained for this English entry.

  • Czech: poutko — (anatomy) an annular ligament
  • German: Halteband — (anatomy) an annular ligament
  • Latin: retināculum — (anatomy) an annular ligament
  • Polish: troczek — (anatomy) an annular ligament