Definitions

1. noun

A ridge or fold of tissue, especially in the lungs or the brain.

“The doctor examined the lungs through a microscope to examine the crista that formed between the lobes.”

2. noun

A ridge or crest of bone, especially in the skull.

“The anthropologist studied the crista on the fossilized skull to determine its age.”

3. noun

A row of seats, especially in a theater or opera house.

“The theater had a crista of empty seats on the upper level.”