(architecture) The projecting moulding by the sides, and over the tops, of openings in mediaeval architecture.
In mediaeval art, the representation of a band or scroll containing an inscription.
Verb
(transitive) To put a label (a ticket or sign) on (something).
(transitive) To give a label to (someone or something) in order to categorise that person or thing.
(biochemistry) To replace specific atoms by their isotope in order to track the presence or movement of this isotope through a reaction, metabolic pathway or cell.
(biochemistry) To add a detectable substance, either transiently or permanently, to a biological substance in order to track the presence of the label-substance combination either in situ or in vitro
