IN MATH: 1. n. the basic unit of length in the metric system; now defined in terms of c, the speed of light. EX. I'm almost 5'2" or 157 cm tall.
See:

See: 
IN ENGLISH: 1. n. a measuring device or gauge. EX. The taxi cab's meter was running as they continued to circle the block. 2. as defined above.
APPLICATION: (see list 110)
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