Notice  —n. 1 attention, observation (escaped my notice). 2 displayed sheet etc. Bearing an announcement. 3 a intimation or warning, esp. A formal one. B formal announcement or declaration of intention to end an agreement or leave employment at a specified time. 4 short published review of a new play, book, etc. —v. (-cing) (often foll. By that, how, etc.) Perceive, observe.  at short (or a moment's) notice with little warning. Take notice (or no notice) show signs (or no signs) of interest. Take notice of 1 observe. 2 act upon. [latin notus known]