· a flat plate that controls or directs the flow of fluid or energy
Synonym(s): baffle_board
Hypernym(s): plate
· be a mystery or bewildering to; "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"
Synonym(s): perplex, vex, stick, get, puzzle, mystify, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound
Hypernym(s): confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate
· hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
Synonym(s): thwart, queer, spoil, scotch, foil, cross, frustrate, bilk
Hypernym(s): prevent, forestall, foreclose, preclude, forbid
· restrain the emission of (sound, fluid, etc.)
Synonym(s): regulate
Hypernym(s): restrain, keep, keep_back, hold_back