1. A disease characterised by long-continued contraction or spasm of certain muscles, the muscles of the jaws and throat being first affected; lock-jaw.

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

• tetnus,
• tenans,
• teants,
• tetenus,
• tietans,
• tetails,
• tentanus,
• tenanus,
• tetnis,
• tenus,
• titanum,
• tetinus,
• tetnaus,
• tetons,
• coetaneus,
• hexancus,
• lutanus,
• tetrous,
• teytanus,
• tetans

• teutonic,
• Tetanic.

The adjective form of the word "tetanus" is "tetanic".

The plural form of "tetanus" is "tetanuses"

The singular form of "tetanus" is "tetanus".