Flap trap | Article about flap trap by The Free Dictionary
flap trap[′flap ‚trap]
In plumbing, a trap fitted with a hinged flap that permits flow in one direction only, thus preventing backflow.
In plumbing, a trap
having a hinged flap which allows flow in one direction only, preventing backflow.
References in periodicals archive
Shaun target: Celts hero Maloney latches on to Nakamura's terrific through ball to sclaff the only goal past Ryan Esson; Wee are the champions: Pint-sized predator Maloney is hailed by Hoops pals McDonald and Brown for his match-winning strike; Walking wounded: Kid Cillian is forced off with shoulder knock; Flap trap
: Boruc clatters into Sheridan as he tries to punch clear
! Another crazy edition of the obstacle game show hosted by Amanda Byram (left) and Mirror columnist Richard Hammond.