1. The windpipe; one of the spiral vessels of leaves; the air vessel of an insect.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• teachere,
• trachers,
• trochear,
• trachery,
• trache,
• treachea,
• tracher,
• trached,
• araceae,
• brachiete,
• orachee,
• trachey,
• trachea,
• trachee,
• tracheah,
• tractyve,
• trancleike,
• drawheade,
• trachear,
• tracheade

The adjective form of the word "tracheae" is "tracheal".

The plural form of the word "Tracheae" is "tracheae".

The singular form of the word "Tracheae" is "Trachea"