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Nounverified MWEverified

Pectoral Fin

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

either of a pair of fins situated just behind the head in fishes that help control the direction of movement

MWE

Classifications

per-axis with provenance

Entity Type

Unknown—authoritativeglossary_import_default_pending_classifier

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Pectoral Fins
possessive: Pectoral Fin's
pluralpossessive: Pectoral Fins'

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