1. A cavern in the earth, whether natural or artificial.

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

• growt,
• grode,
• grotte,
• girt,
• groot,
• grote,
• vrot,
• hrot,
• yrot,
• trot,
• gdot,
• gfot,
• gtot,
• g5ot,
• g4ot,
• grpt,
• gr0t,
• grott,
• grout,
• grodd

• gritty,
• griot,
• Grote,
• great,
• grotto,
• grad,
• groat,
• grid,
• grotty,
• grothe,
• grado,
• Greta,
• grout,
• grit,
• Gretta,
• groth,
• greet,
• growth,
• grate.

The adjective form of the word "grot" is "grotty".

The plural of the "grot" can be the "grots".

The singular of the "grot" can be the "grot".