costa

C2 · Proficiency Countable noun Science Technical

n. a thick line or 'rib' on a leaf or an insect's wing.

n. a rib-like part of a plant or animal, such as the midrib of a leaf or the thickened leading edge of an insect wing.

“You can see the costa running down the center of this large leaf.”

“The entomologist identified the species by examining the specific branching pattern of the costa on the specimen's forewing.”

B1 · Intermediate Countable noun British English · Informal

n. the coast of Spain, especially the areas where people go for holidays.

n. the Spanish Mediterranean coastline, particularly the resort areas popular for tourism and retirement.

“They decided to spend their summer holiday on the Costa this year.”

“Many British retirees have relocated to the Costa, drawn by the warm climate and the established expatriate communities in the region.”