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costa

costa

9.7
A central vein like a rib running along a leaf
  • noun
  • /ˈkɔstə/
  • Specialized
: costa
  • In botany, the costa refers to the central vein running through the leaf.

Examples

  • The costa of the insect's wing was easily visible under the microscope.

  • In insects, the costae are crucial for flight.

  • Damage to the costa can affect the structural integrity of a plant leaf.

  • The costa of the leaf provides support.

  • In botany, the costa refers to the central vein running through the leaf.

  • The costa of the insect's wing was easily visible under the microscope.

  • Damage to the costa can affect the structural integrity of a plant leaf.

Synonyms

nervus
vscosta
  • Specialized
9.9

A ridge in a leaf or insect wing that supports it

is the general riblike structure found in plants and animals
vein
vscosta
  • Specialized
7.8

Thin stiff lines in an insect wing that give it shape

is a riblike structure in leaves and wings not only horny wing ribs

Compounds

1 2.5

A country in Central America with a stable government and rich wildlife

Money used in Costa Rica that equals 100 céntimos

Surface Forms

costa singular
costas plural
costae plural

Etymology

Costa comes from Latin costa, which means 'rib', so in plants and insects a costa is like the 'rib' or main vein that supports a leaf or the thick vein of a wing.