1. A small hill.

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

• himlick,
• hamlock,
• hellok,
• hallock,
• hollock,
• heelock,
• hiplock,
• hillick,
• hilock,
• hillok,
• hilloc,
• hillokk,
• Helfcock,
• hilloed,
• killockk,
• sillockk,
• upllock,
• wilock,
• hilloe,
• HiLLUC

• Hilchey,
• hiles,
• hills,
• hallock,
• hilus,
• hillhouse.

The adjective form of the word "hillock" is "hillocky".

The plural of the "hillock" can be the "hillocks".

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