to reply or answer in words: to respond briefly to a question.
to make a return by some action as if in answer: to respond generously to a charity drive.
to react favorably.
Physiology. to exhibit some action or effect as if in answer; react: Nerves respond to a stimulus.
to correspond (usually followed by to ).
Bridge. to make a response.
—verb (used with object)
to say in answer; reply.
—noun
Architecture. a half pier, pilaster, or the like projecting from a wall as a support for a lintel or an arch, the other side of which is supported on a free-standing pier or column.