spelunker Hear it!

spelunker Definition

spe·lunker (spi luŋkər, spēluŋ′-)

noun

a person who explores caves as a hobby

Etymology: < obs. spelunk, cave (< ME spelunke < L spelunca < Gr spēlynx, akin to spēlaion, cave) + -er

spelunker Related Forms
spe·lunk·ing noun