2. (Chem.) A receiver, with two necks, opposite to each other, one of which admits the neck of a retort, and the other is joined to another receiver. It is used in distillations, to give more space to elastic vapors, to increase the length of the neck of a retort, or to unite two vessels whose openings have different diameters. [ Written also adapter. ] [ 1913 Webster ]
[とりおいうた, torioiuta] (n) (See 鳥追い・とりおい・2, 門付歌) song sung by children during the New Year's bird-driving procession (later adopted by door-to-door musicians)