spelunk
[ spi-luhngk ]
/ spɪˈlʌŋk /
verb (used without object)
to explore caves, especially as a hobby.
Origin of spelunk
back formation from
spelunker,
spelunking
Words nearby spelunk
spelling pronunciation,
spelling reform,
spellman,
spelt,
spelter,
spelunk,
spelunker,
spemann,
spence,
spencer,
spencer gulf