trn.
thorn (protective spine of a plant)
Meaning & usage
thorn (protective spine of a plant)
center, spike, pin (a pointy part used e.g. to hold another object in a machining tool)
Where this word comes from
Inherited from Old Czech trn, from Proto-Slavic *tьrnъ, from Proto-Balto-Slavic *tirnas, from Proto-Indo-European *tr̥nós. Compare Slovak tŕň, Slovene tŕn (tonal orthography), Serbo-Croatian tȓn, Russian тёрн (tjorn), German Dorn, English thorn.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.