The common weasel, little weasel, or simply weasel (Mustela nivalis), the smallest member of the weasel genus Mustela, native to Eurasia, North America, and North Africa.

(idiomatic) Used to suggest an understatement.

(idiomatic) at least; as an absolute minimum

The highest degree of accuracy of measurement that can be achieved.

plural of least count

plural of least auklet

Aethia pusilla, a small auk.

(computing) The bit (binary digit) that represents the smallest fraction of a value, its position depending on the endianness of the system.

plural of least significant byte

plural of least significant bit