A nozzle comprising: a nozzle body; and at least three spraying parts (13, 13A, 13B, 13C, 13D) provided in the nozzle body and for spraying a liquid on a spray target surface, wherein the liquid is an aqueous urea solution, the at least three spraying parts (13, 13A, 13B, 13C, 13D) being disposed so as not to be in line with each other in a plan view, from a position where the at least three spraying parts (13, 13A, 13B, 13C, 13D) are disposed, of the nozzle body, the at least three spraying parts (13, 13A, 13B, 13C, 13D) each including: a spray hole through which the liquid is sprayed outward from the nozzle body; and a route control part for controlling a route of the liquid sprayed from the spray hole, wherein the nozzle (2, 2A) comprises, as the route control part, gas ejecting parts paired together for blowing a gas toward the liquid sprayed from the spray hole, the liquid sprayed from the spray hole adhering to the spray target surface to form an adhesion region, and the route control part controlling the route of the liquid such that the adhesion region is shorter in a first direction outward from a central part of a group of a plurality of adhesion regions, the plurality of adhesion regions each being the adhesion region, than in a second direction perpendicular to the first direction. a nozzle body; and at least three spraying parts (13, 13A, 13B, 13C, 13D) provided in the nozzle body and for spraying a liquid on a spray target surface, wherein the liquid is an aqueous urea solution, the at least three spraying parts (13, 13A, 13B, 13C, 13D) being disposed so as not to be in line with each other in a plan view, from a position where the at least three spraying parts (13, 13A, 13B, 13C, 13D) are disposed, of the nozzle body, the at least three spraying parts (13, 13A, 13B, 13C, 13D) each including: a spray hole through which the liquid is sprayed outward from the nozzle body; and a route control part for controlling a route of the liquid sprayed from the spray hole, wherein the nozzle (2, 2A) comprises, as the route control part, gas ejecting parts paired together for blowing a gas toward the liquid sprayed from the spray hole, the liquid sprayed from the spray hole adhering to the spray target surface to form an adhesion region, and the route control part controlling the route of the liquid such that the adhesion region is shorter in a first direction outward from a central part of a group of a plurality of adhesion regions, the plurality of adhesion regions each being the adhesion region, than in a second direction perpendicular to the first direction. a spray hole through which the liquid is sprayed outward from the nozzle body; and a route control part for controlling a route of the liquid sprayed from the spray hole, wherein the nozzle (2, 2A) comprises, as the route control part, gas ejecting parts paired together for blowing a gas toward the liquid sprayed from the spray hole, the liquid sprayed from the spray hole adhering to the spray target surface to form an adhesion region, and the route control part controlling the route of the liquid such that the adhesion region is shorter in a first direction outward from a central part of a group of a plurality of adhesion regions, the plurality of adhesion regions each being the adhesion region, than in a second direction perpendicular to the first direction.