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costa

nouncommon in dialogue

  • United Kingdom//ˈkɒ.stə//
  • United States//ˈkɑ.stə//

Synonym of rib.

noun

  1. 1

    Synonym of rib.

  2. 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. 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.

Etymology

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

Forms

plural
costas, costae
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).