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1. A state-chartered savings bank owned by its depositors and managed by a board of trustees
   - mutual savings bank [US]
    
2. (computing) the bit in a multiple-bit binary number with the largest value; this is usually the bit farthest to the left, or the bit transmitted first in a sequence. For example, in the binary number 1000, the MSB is 1, and in the binary number 0111, the MSB is 0
   - most significant bit

Type of: savings bank

Encyclopedia: MSB