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One of the spiny plates found on the back and tail of certain skates.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: dermal denticle
Antonyms: none provided
A fossil fish-spine found in stratified rock.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
From ichthyo- + Ancient Greek δόρυ (dóru) + -lite.