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1. A hollow or natural passage under or into the earth, especially one with an opening to the surface.
2. A storage cellar, especially for wine.
v. caved, cav·ing, caves
1. To dig or hollow out.
2. To cause to collapse or fall in. Often used with in: The impact caved in the roof of the car.
1. To fall in; collapse. Often used with in: The walls caved in during the earthquake.
2. To give up all opposition; yield. Often used with in: The school committee caved in to the demands of parents.
3. To explore caves.
[Middle English, from Old French, from Latin cava, from neuter pl. of cavus, hollow; see keuə- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the term for speleology used by professionals.
the branch of geology that explores, studies, and describes caves. — speleologist, spelaeologist, n. — speleological, spelaeological, adj.
a person who explores caves as a hobby. — spelunk, v.
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.