What's the "een" in Halloween?
depressor de·pres·sor (dĭ-prěs'ər)
Any of various muscles that act by drawing down a part of the body.
Something that depresses or retards functional activity.
An instrument used to push certain structures out of the way during an operation or examination.
An agent that lowers blood pressure. Also called hypotensor.
A nerve that when stimulated acts to lower arterial blood pressure.