gape
Cross references: 1. gaze 1. gape \'ga-p also 'gap\ \'ga-p-in-le-, 'gap-\ vi [ME gapen, fr. ON gapa; akin to L hiare to gape, yawn - mor]e at YAWN 1a: to open the mouth wide 1b: to open or part widely 2: to stare openmouthed 3: YAWN - gap.er n 2. gape n 1: an act of gaping : 1a: YAWN 1b: an openmouthed stare 2: an unfilled space or extent 3a: the median margin-to-margin length of the open mouth 3b: the line along which the mandibles of a bird close 3c: the width of an opening pl but sing in constr 4a: a disease of young birds in which gapeworms invade and irritate the tra chea 4b: a fit of yawning
Webster's English Dictionary