méi
  1. classifier for small objects: coins, badges, rings, carved seals, chess pieces, eggs, fingerprints etc (more formal than )
  2. classifier for bombs, missiles, satellites etc
  3. (on product packaging) classifier for flat items (from Japanese "mai")
  4. (old) stick used as a gag to prevent soldiers from talking while sneaking up on the enemy

CEDICT

Classifier for

Homographs