1. A fixed star of the first magnitude, in the constellation of Bootes.

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

• amieurus,
• arctotys,
• zrcturus,
• srcturus,
• wrcturus,
• qrcturus,
• aecturus,
• adcturus,
• afcturus,
• atcturus,
• a5cturus,
• a4cturus,
• arxturus,
• arvturus,
• arfturus,
• arcturis,
• artcturus,
• arturus,
• arcturs,
• arcterus

• arctotis,
• arctium.

The plural form of the word "arcturus" is "arcturi".

The singular form of the word "arcturus" is "arcturus".