Cursor

·noun Any part of a mathematical instrument that moves or slides backward and forward upon another part.

cursor
cursor, ōris, m. [curro], I a runner , and partic., A A runner in a race, racer , Lucr. 2, 78; ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Cursor
Cursor, ōris, m. [curro], a surname of L. Papirius , Liv. 9, 16, 11; Ampel. 18; Aur. Vict. Vir...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
cursor
cursor ōris, m 1 CEL-, a runner, racer, competitor : Ut cursor frena retentat equi, O.— A courier...

An Elementary Latin Dictionary