(n.) A narrow place formed by an angle in bodies or between bodies; a corner; a recess; a secluded retreat.

L alcove angle apex asylum bay bend bifurcation bight bolt-hole cache cant carrel cavity chevron coin concealment corner cove cover covert coverture crack crank cranny crevice crook crotchet cubby cubbyhole cubicle dark corner deflection den dogleg dugout elbow ell fork foxhole funk hole furcation hideaway hideout hidey hole hiding hiding place hole hook inflection inglenook knee lair nest niche opening oriel pitchhole point quoin recess recession refuge retreat roomlet sanctuary secret place snuggery stash swerve undercovert veer vertex zag zig zigzag