Pronunciation: (reg'lit), [key]
a. a groove for guiding or holding a panel, window sash, etc.
b. a narrow, flat molding; fillet.
a. a thin strip, usually of wood, less than type-high, used to produce a blank in or about a page of type.
b. such strips collectively.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.