transiter

noun
tran·​sit·​er | \ -tə(r)\
plural -s

Definition of transiter

: a transit attachment consisting of a wire that can be made to traverse the field of a transit at a rate that will keep it continuously bisecting an object (as a star) passing across the field of view and of a device for registering such passage across definite points in the field

History and Etymology for transiter

transit entry 1 + -er

Keep scrolling for more