Akademik

troll
1.
n. (in Scandinavian folklore) a fabulous being, esp. a giant or dwarf dwelling in a cave.
Etymology: ON & Sw. troll, Da. trold
2.
v. & n.
—v.
1 intr. sing out in a carefree jovial manner.
2 tr. & intr. fish by drawing bait along in the water.
3 intr. esp. Brit. walk, stroll.
—n.
1 the act of trolling for fish.
2 a line or bait used in this.
Derivatives:
troller n.
Etymology: ME 'stroll, roll': cf. OF troller quest, MHG trollen stroll

Useful english dictionary. 2012.