costa
/ˈkɒ.stə/
Proposed by a contributor, not yet supported by evidence.
Also seen as: costas · costae
Sense 1
Meaning · English
Synonym of rib.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
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
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “costa” mean?
Synonym of rib.
Is “costa” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.