Cities with similar population. Source: The Lindenhurst, NY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency).
â¢ QUILL (noun). The noun QUILL has 4 senses: 1. pen made from a bird's feather. 2. a stiff hollow protective spine on a porcupine or hedgehog. 3. any of the larger wing or tail feathers of a bird. 4. the hollow spine of a feather. Familiarity information: QUILL used as a noun is uncommon.
Definition of QUILL for Kids. 1. : a large stiff feather of a bird's wing or tail. 2. : the hollow tubelike part of a feather. 3. : a hollow sharp spine of a porcupine or hedgehog.4.. a (1) : the hollow horny shaft of a feather â see feather illustration (2) : feather; especially: one of the large stiff feathers of the wing or tail b: one of the hollow sharp spines of a porcupine or hedgehog c: 3pen 3. 3.