Plural of costa
regular plural
The plural of costa is costas or costae.
Forms of costa
| Singular | costa /ˈkɒ.stə/ |
|---|---|
| Plural | costas costae /ˈkɑˌsti/ |
| Countable | countable |
Costas and costae in a sentence
- Specimens minute, high-spired, loxonematoid shells with slightly sinuate transverse costae on ephebic whorls.1953, Journal of Paleontology, volume 27, page 698. From the entry loxonematoid
- Spiriferides tend to have highly biconvex shells, with well-developed radial costae and a large interarea on the ventral valve.2013, Donald R. Prothero, Bringing Fossils to Life: An Introduction to Paleobiology, →ISBN, page 334. From the entry interarea
- Finally, levator costae and levatores costarum originate at the transverse processes of each vertebrae and, running obliquely downward and outward, attach to the ribs below.2001, Theodore Dimon, Anatomy of the Moving Body: A Basic Course in Bones, Muscles, and Joints, page 27. From the entry levator costae
Meaning of costa
- noun Synonym of rib.
- noun 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.
- noun The vein forming the leading edge of most insect wings.
Questions about the plural of costa
- What is the plural of costa?
- The plural of costa is costas or costae.
- Which is correct, costas or costae?
- Both are used. costas is the more common of the two in English writing.
- Is costa countable?
- Costa is a countable noun.
Source and license
Adapted from Wiktionary: costa (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Plural of costa.” Word.ws, https://word.ws/plural/costa. Based on Wiktionary, CC BY-SA 4.0.