As in all communities, there are lots of magic words that rowers use. Some of them make intuitive sense, and some can be a bit mysterious! In rowing speak, Masters can be beginning rowers, and Seniors is a racing category for serious rowers over age 21. Sadly, being a Senior rower does not entitle you to cheap movie tickets!
In addition to informal categories, there are formal categories defined by governing bodies such as Rowing Canada Aviron, US Rowing, and World Rowing (FISA). The categories can be based on age, experience, or something else. For example, there are lightweight events, para events, and some regattas even have specialty events like parent-child, alumni, or costume required!
For those with an insatiable thirst for knowledge, Rowing Canada Aviron's Rules of Racing has many details.
Here are a few frequently used terms: