Measuring device (5)
'measuring device' is the definition.
(device for measuring something, eg a thermometer)
This is the entire clue.
(Other definitions for meter that I've seen before include "Measuring device as for electricity consumption" , "Poe sometimes used this" , "Gauge" , "Instrument for measuring quantity" , "Measuring device as for electricity usage (5)" .)
'measuring device' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for gauge that I've seen before include "Meter" , "Measure against a standard" , "Instrument to measure or test" , "standard size" , "Measuring device" .)