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spelunk
spelunk
(noun)
/spəˈlʌŋk/, /spiːˈlʌŋk/
1
Definition
Examples
(obsolete) A cave, cavern or grotto.
spelunk
(verb)
/spəˈlʌŋk/, /spiːˈlʌŋk/
1
Definition
Examples
To explore caves.
2
Definition
Examples
To explore a system in depth.