n. & v.
n. 1 attention, observation (it escaped my notice). 2 a displayed sheet etc. bearing an announcement or other information. 3 a an intimation or warning, esp. a formal one to allow preparations to be made (give notice; at a moment's notice). b (often foll. by to + infin.) a formal announcement or declaration of intention to end an agreement or leave employment at a specified time (hand in one's notice; notice to quit). 4 a short published review or comment about a new play, book, etc.
v.tr. 1 (often foll. by that, how, etc. + clause) perceive, observe; take notice of. 2 remark upon; speak of. at short (or a moment's) notice with little warning. notice-board Brit. a board for displaying notices. take notice (or no notice) show signs (or no signs) of interest. take notice of 1 observe; pay attention to. 2 act upon. under notice served with a formal notice.
[ ME f. OF f. L notitia being known f. notus past part. of noscere know ]