the network in the reticular formation that serves an alerting or arousal function
"The electrical stimulation of the reticular activating system successfully woke up the sleeping patient."
An Ethiopian king or prince.
"The software developers decided to stop using RAS, which stands for Redundant Acronym Syndrome, because it only confused other users."
A headland; a cape.
plural of Ra
Initialism of redundant acronym syndrome.
In plain English: Ras is an African title for a leader of a religious group that follows Islam but keeps some traditional beliefs and customs from Ethiopia.
"The ras made its distinctive sound when I opened the window in the morning."
A surname.
"The Ras visited the village to discuss local community projects."
The word ras comes from Amharic and originally meant "head." It entered English as a title of nobility in Ethiopia, referring to the leader or ruler of a province.