Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: sphery
Next word: sphinx
Definition of: sphincter
(sfingk′tər) noun Anat.
A muscle that surrounds an opening or tube and serves to close it. [<LL <Gk. sphinktēr <sphingein close]
—sphinc′ter·al adjective
Comment about this word, ask questions, or add new information about this topic: