Definition of "Drift" :
noun: a horizontal (or nearly horizontal) passageway in a mine
"They dug a drift parallel with the vein."
noun: the pervading meaning or tenor
"Caught the general drift of the conversation."
noun: a general tendency to change (as of opinion)
noun: a large mass of material that is heaped up by the wind or by water currents
noun: a force that moves something along
noun: the gradual departure from an intended course due to external influences (as a ship or plane)
noun: a process of linguistic change over a period of time
verb: be piled up in banks or heaps by the force of wind or a current
"Snow drifting several feet high."
verb: be subject to fluctuation
"The stock market drifted upward."
verb: drive slowly and far afield for grazing
"Drift the cattle herds westwards."
verb: cause to be carried by a current
"Drift the boats downstream."
verb: move about aimlessly or without any destination, often in search of food or employment
"The laborers drift from one town to the next."
verb: be in motion due to some air or water current
"The boat drifted on the lake."
verb: move in an unhurried fashion
"The unknown young man drifted among the invited guests."
verb: wander from a direct course or at random
"Don't drift from the set course."
verb: live unhurriedly, irresponsibly, or freely
"My son drifted around for years in California before going to law school."
verb: vary or move from a fixed point or course
"Stock prices are drifting higher."