Also found in: Thesaurus, Idioms.
1. Informal A warm and hearty, but often insincere welcome or greeting.
2. A coupling device used to connect air hoses between rail cars or between a tractor and trailer.
a. a welcoming hand
b. a welcome
(tr) to welcome by or as if by offering a hand
a hearty welcome or enthusiastic reception, esp. one that is effusive or hypocritical.
glad′-hand`, v.t., v.i.