Noun
A tripod.
A university examination of questionists, for honors; also, a tripos paper; one who prepares a tripos paper.
Source: Webster's dictionaryHe also studied for Tripos in 1905 and, the following year took civil service exams. Source: Internet
Other 'linear' notations include the Wiswesser Line Notation (WLN), ROSDAL and SLN (Tripos Inc). Source: Internet