1. A contraction of them.

2. A form of the English prefix en.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• dem,
• edme,
• ez,
• emp,
• erm,
• pem,
• esme,
• om,
• edom,
• ey,
• emy,
• wem,
• eam,
• qm,
• tem,
• cemi,
• ek,
• sem,
• emto,
• eb

• emmy,
• mm,
• a.m.,
• elm,
• -er,
• I'm,
• -ed,
• m.,
• cm,
• M,
• Ema,
• Emma,
• `em,
• me.,
• Emmie,
• gem,
• hem,
• Im-,
• -ey,
• e-,
• AM,
• e's,
• e,
• emu,
• me.

The adjective form of the word "em" is "emphatic".

The plural of the "em" can be the "ems".

The singular of the "em" can be the "em".