a course of action to be followed if a preferred plan fails or an existing situation changes.
a plan or procedure that will take effect if an emergency occurs; emergency plan.
The Letter B Once Had A Much Longer NameThe letter B was part of the Phoenician alphabet more than 3000 years ago in 1000 BCE. At that time, the letter was called beth and looked a little different, but it made the sound of b and was second in the alphabet. The shape of the letter resembled the floor plan of a house, and the word beth meant “house.” This is pictured below. In Hebrew, the letter was called beth, bet, or bayt which also …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019