transiter

noun

tran·​sit·​er

-tə(r)

plural -s

: 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

Word History

Etymology

transit entry 1 + -er

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