Baffle v. t. : To cause to undergo a disgraceful punishment, as a recreant knight.

Baffle v. t. : To check by shifts and turns; to elude; to foil.

Baffle v. t. : To check by perplexing; to disconcert, frustrate, or defeat; to thwart.

Baffle v. i. : To practice deceit.

Baffle v. i. : To struggle against in vain; as, a ship baffles with the winds.

Baffle n. : A defeat by artifice, shifts, and turns; discomfiture.

Example:
what is the purpose of having a Baffle inside a water bed?

Taxonomy
Baffle, free encyclopedia, All-Star Baffle, Cylinder baffle, search, free dictionary, Shell and tube heat exchanger, stirred tank, chemical reactor, Speaker system, system enclosure, Cabinet, Sound baffle, highway design, interior design, surgically, heart, 1973-74.

Defination from the web:
Baffle (heat exchanger) as a part of a Shell and tube heat exchanger or stirred tank (chemical reactor) Baffle (Speaker system enclosure or ... Cylinder baffle, in air-cooled engines, one of a set of guides or barriers intended to keep cooling air in contact with cylinder finning. ...