The area of the annulus is the area of the ring-shaped space between the two circles that define it. In the figure above it is the number of gray square units it takes to fill the annulus. This area is the area of the entire disk, minus the area of the 'hole' in the middle. ( See Area of a Circle): Where:
Webster Dictionary (0.00 / 0 votes) Rate this definition: Avenge (verb) to take vengeance for; to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer
The ordo equester  (equestrian order) was the order of cavalrymen/knights (equites).  The words equester and equite were derived from equus (horse). This  order was the sec â¦ ond highest rank in Roman society and the lower  tier of the aristocracy (the upper tier were the patricians).xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Kirsten07734. Confidence votes 5.0K. An equestrian is a person who works with horses. They might be a rider or trainer.