EXAMPLES FROM THE WEB FOR TROLLER
On this line an overhead wire was used, the travelling carriage taking the current from the wire being known as the "troller."
It seems to have been corrupted from the word "troller" by the workmen of a Kansas City car-line.
He drove his carrier into any nook or hole where a troller might lie waiting with a few salmon.
A troller's boat was rubbing against the Blanco's fenders when they came on deck again.
late 14c., "to go about, stroll," later (early 15c.) "roll from side to side, trundle," from Old French troller, a hunting term, "wander, to go in quest of game without purpose," from a Germanic source (cf. Old High German trollen "to walk with short steps"), from Proto-Germanic *truzlanan.
Sense of "sing in a full, rolling voice" (first attested 1570s) and that of "fish with a moving line" (c.1600) are both extended technical applications of the general sense of "roll, trundle," the latter perhaps confused with trail or trawl. Figurative sense of "to draw on as with a moving bait, entice, allure" is from 1560s. Meaning "to cruise in search of sexual encounters" is recorded from 1967, originally in homosexual slang.