Dictionary.com
Thesaurus.com

troglobiont

American  
[trog-luh-bahy-ont] / ˌtrɒg ləˈbaɪ ɒnt /

noun

  1. any creature having a cave-dwelling mode of life.


Etymology

Origin of troglobiont

1920–25; < Greek trōglo- ( troglodyte ) + -biont ( def. )