Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun em

2 senses of em

Sense 1
em, em quad, mutton quad -- (a quad with a square body; "since `em quad' is hard to distinguish from `en quad', printers sometimes called it a `mutton quad'")
       => area unit, square measure -- (a system of units used to measure areas)

Sense 2
em, pica em, pica -- (a linear unit (1/6 inch) used in printing)
       => linear unit, linear measure -- (a unit of measurement of length)