Pronunciation: (lā'bul),[key] —n., v.,-beled, -bel•ing or (esp. Brit.)-belled, -bel•ling.
—n. 1. a slip of paper, cloth, or other material, marked or inscribed, for attachment to something to indicate its manufacturer, nature, ownership, destination, etc.
2. a short word or phrase descriptive of a person, group, intellectual movement, etc.
3. a word or phrase indicating that what follows belongs in a particular category or classification: The following definition has the label “Archit.” 4. Archit.a molding or dripstone over a door or window, esp. one that extends horizontally across the top of the opening and vertically downward for a certain distance at the sides.
5. a brand or trademark, esp. of a manufacturer of phonograph records, tape cassettes, etc.: She records under a new label. 6. the manufacturer using such a label: a major label that has produced some of the best recordings of the year. 7. Heraldry.a narrow horizontal strip with a number of downward extensions of rectangular or dovetail form, usually placed in chief as the cadency mark of an eldest son.
8. Obs.a strip or narrow piece of anything.
—v.t. 1. to affix a label to; mark with a label.
2. to designate or describe by or on a label: The bottle was labeled poison. 3. to put in a certain class; classify.
4. Also,radiolabel.Chem.to incorporate a radioactive or heavy isotope into (a molecule) in order to make traceable.