a sudden rapid flow (as of water); "he heard the flush of a toilet"; "there was a little gush of blood"; "she attacked him with an outpouring of words"
a poker hand with all 5 cards in the same suit
squarely or solidly; "hit him flush in the face"
in the same plane; "set it flush with the top of the table"
cause to flow or flood with or as if with water; "flush the meadows"
flow freely; "The garbage flushed down the river"
rinse, clean, or empty with a liquid; "flush the wound with antibiotics"; "purge the old gas tank"
a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings