What is the meaning of the word CREVICE?

Blackbriar - Through the Crevice (Official Audio) Crevice（福嶋 颯汰）| Crevice（FUKUSHIMA Sota） Finding Gold in Hidden Crevice! Щелевая коррозия – виды коррозии Crevice - Anchorless (Video) Picking Gold up off the Ground | Insane Crevice! Starliner Cinema Vs The Crevice (Trevor Henderson , 500 Subs Special) Руководства по миссиям сложного режима Guild Wars [Ночной закат] #9 Щель Моддока [без недостатков] Crevice and pitting corrosion Moddok Crevice Solo Farm for Q8-s and Runes [Guild Wars]