costa

noun

cos·ta ˈkä-stə

plural costae ˈkä-(ˌ)stē

-ˌstī

: rib entry 1 sense 1a

: a part (such as the midrib of a leaf or the anterior vein of an insect wing) that resembles a rib

costal

ˈkä-stᵊl

adjective

Etymology

Latin — more at coast

First Known Use

1565, in the meaning defined at sense 1

Time Traveler

The first known use of costa was in 1565

See more words from the same year

Style

“Costa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/costa. Accessed 1 Dec. 2024.

Copy Citation

costa

noun

cos·ta ˈkäs-tə

plural costae -(ˌ)tē, -ˌtī

: rib

Costa

Cos·ta ˈkȯsh-tə

Antonio (Luis Santos da) 1961– prime minister of Portugal (2015–23)

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