noun, noun used as a suffix

Also read めど for this sense.
  1. hole, opening, perforation.

noun

  1. pit, hollow, hole (in the ground, etc.).
  2. burrow, den, lair, holt, hole.
  3. deficit, shortage, missing person (in a team, meeting, etc.).
  4. vacancy, opening.

noun, noun used as a suffix

  1. flaw.
  2. well-kept secret place.
  3. upset victory (with a large payoff).
  4. pit (of a theater). Slang.

noun

  1. hiding place, hideout.

noun, noun used as a suffix

Archaism.
  1. underbelly (of society, etc.).

Variations

Pronunciation Kanji Kana Is Common
あな
あな

Contained Kanji Breakdown

hole, aperture, slit
あな ケツ けな (6th, N1)
shaped crown, katakana u radical (no. 40)
ベン メン (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)