/di kawr"euhm, -kohr"-/ , n.
1. dignified propriety of behavior, speech, dress, etc.
2. the quality or state of being decorous; orderliness; regularity.
3. Usually, decorums . an observance or requirement of polite society.
[ 1560-70; decorum, n. use of neut. of decorus DECOROUS ]
Syn. 1. politeness, manners, dignity. See etiquette .