Bony-labyrinth

See under labyrinth (def 6a).
an intricate combination of paths or passages in which it is difficult to find one’s way or to reach the exit.
Synonyms: maze, network, web.
a maze of paths bordered by high hedges, as in a park or garden, for the amusement of those who search for a way out.
a complicated or tortuous arrangement, as of streets or buildings.
Synonyms: warren, maze, jungle, snarl, tangle, knot.
any confusingly intricate state of things or events; a bewildering complex: His papers were lost in an hellish bureaucratic labyrinth.
After the death of her daughter, she wandered in a labyrinth of sorrow for what seemed like a decade.
Synonyms: wilderness, jungle, forest; morass.
(initial capital letter) Classical Mythology. a vast maze built in Crete by Daedalus, at the command of King Minos, to house the Minotaur.
Anatomy.

the internal ear, consisting of a bony portion (bony labyrinth) and a membranous portion (membranous labyrinth)
the aggregate of air chambers in the ethmoid bone, between the eye and the upper part of the nose.

a mazelike pattern inlaid in the pavement of a church.
Also called acoustic labyrinth, acoustical labyrinth. Audio. a loudspeaker enclosure with air chambers at the rear for absorbing sound waves radiating in one direction so as to prevent their interference with waves radiated in another direction.
noun
a mazelike network of tunnels, chambers, or paths, either natural or man-made Compare maze (sense 1)
any complex or confusing system of streets, passages, etc
a complex or intricate situation

any system of interconnecting cavities, esp those comprising the internal ear
another name for internal ear

(electronics) an enclosure behind a high-performance loudspeaker, consisting of a series of air chambers designed to absorb unwanted sound waves
noun
(Greek myth) a huge maze constructed for King Minos in Crete by Daedalus to contain the Minotaur
n.

labyrinth
(lāb’ə-rĭnth’)
The system of interconnecting canals and spaces that make up the inner ear of many vertebrates. The labyrinth has both a bony component, made up of the cochlea, the semicircular canals, and the vestibule, and a membranous one.

Note: A labyrinth can be literally a maze or figuratively any highly intricate construction or problem.