- 1a large cover, often made of wool, used especially on beds to keep people warm It's cold tonight—can I have another blanket? The baby was wrapped in a blanket. see electric blanket
- 2[usually singular] blanket of something a thick layer or covering of something a blanket of fog/snow/clouds (figurative) The trial was conducted under a blanket of secrecy. see wet blanket
Check pronunciation: blanket