1. plural of mono; short for mononucleosis, an infectious viral disease characterized by fever, sore throat, and fatigue
Usage: informal; chiefly North American
2. plural of mono; monophonic sound or audio equipment
Usage: informal; audio/music context

Examples

• Several students caught monos during the winter semester.
• He was diagnosed with monos after weeks of feeling exhausted.
• The old radio only played monos, not stereo.
• Many teenagers get monos from sharing drinks with friends.
• The doctor said it would take months to recover from monos.