Real Dictionary

baffle
verb: If something baffles you, you cannot understand it or explain it.

baffle in American English
a baffling or being baffled
to confuse so as to keep from understanding or solving; puzzle; confound
intransitive verb: to struggle ineffectually, as a ship in a gale
noun: something that balks, checks, or deflects
transitive verb: to confuse, bewilder, or perplex

baffle in British English
to perplex; bewilder; puzzle
noun: a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or sound, or the distribution of sound, esp in a loudspeaker or microphone

baffle in Chemical Engineering
noun: A baffle is a thin flat object which is suspended in a flow to change its direction.

baffle in Mechanical Engineering
noun: A baffle is a thin flat object which is hung in a flow of liquid or gas to cause partial obstruction.