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ENGLISH · A WORD WITH POSSIBILITIES

costa.

Synonym of rib.

5 characters2 syllables approx.English language

Meaning & usage

noun/ˈkɒ.stə/Received-Pronunciation/ˈkɑ.stə/General-American
  1. Synonym of rib.

  2. A riblike part of a plant or animal, such as a midrib of a leaf or a thickened vein or the margin of an insect wing.

  3. A riblike part of a plant or animal, such as a midrib of a leaf or a thickened vein or the margin of an insect wing. The vein forming the leading edge of most insect wings.

Where this word comes from

Unadapted borrowing from Latin costa (“a rib”). Doublet of coast.

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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.