noun · 4 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/kənˈstɹɪk.tə/
General-American:/kənˈstɹɪk.tɚ/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɪktə(ɹ)
CMU ARPABET:K AH0 N S T R IH1 K T ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
That which constricts or tightens:
A muscle whose contraction narrows a vessel or passage or compresses an organ.
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
That which constricts or tightens:
A muscle whose contraction narrows a vessel or passage or compresses an organ.
Ellipsis of pharyngeal constrictor (“each of the muscles which constrict the pharynx”).
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, ellipsis
Topics: anatomy, medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
That which constricts or tightens:
Ellipsis of boa constrictor, either the species Boa constrictor or a similar snake that kills by constriction.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, ellipsis
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
any of various large nonvenomous snakes that kill their prey by crushing it in its coils
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: snake, serpent, ophidian
Narrower terms: boa
History
Etymology
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin cōn- Proto-Indo-European *streyg- Proto-Indo-European *-né- Proto-Indo-European *-ti Proto-Indo-European *strinégti Proto-Italic *stringō Proto-Indo-European *strengh- Proto-Indo-European *-eti Proto-Indo-European *stréngheti Proto-Italic *strengō Latin stringō Latin cōnstringō Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor New Latin cōnstrictorbor. ▲ Latin cōnstringō Latin cōnstrictusbor. English constrict ▲ Latin -tor Latin -ātor Old French -eorbor. Middle English -our ▲ Latin -torlbor. English -or English constrictor Borrowed from New Latin cōnstrictor, or from constrict + -or.
Across languages
Translations
3 source translations are retained for this English entry.
Catalan:
constrictor
— that which constricts or tightens
Finnish:
kuristaja
— that which constricts or tightens
Finnish:
kiristäjä
— that which constricts or tightens