Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night.
- Water droplets condensed from the air, usually at night, onto cool surfaces.
- Something moist, fresh, pure, or renewing: "The timely dew of sleep/. . . inclines/Our eye-lids” ( John Milton).
- Moisture, as in the form of tears or perspiration, that appears in small drops.
- To wet with or as if with dew.