释义 |
gap I. \ˈgap\ noun (-s) Etymology: Middle English gap, gappe, from Old Norse gap chasm, hole; akin to Old Norse gapa to gape — more at gape 1. a. : a break in a barrier (as a wall or hedge); specifically : a breach in a line of military defense < a gap appeared in the front ranks of the Macedonian army — Tom Wintringham > b. : an assailable position : vulnerability < a fatal gap in our security structure — H.S.Truman > 2. : a small cleft or notch < a pipe wedged between a gap in his teeth — Judson Philips > 3. a. : a notch in the crest of a ridge : mountain pass : col < US 64 enters a gap in Crowley's Ridge and passes between the rolling slopes — American Guide Series: Arkansas > b. : a gorge cutting through a ridge : ravine — compare water gap, wind gap c. archaic : a hole in the ground : chasm < great holes and gaps had worn into the soil — Charles Dickens > d. : a break in a levee through which a distributary stream may flow : tidal inlet < the tide … flows in and out through gaps — V.C.Finch & G.T.Trewartha > e. : a steep-sided furrow that cuts transversely across a ridge in the ocean bottom 4. a. : a separation in space : an intervening distance: as (1) : the shortest distance between the planes of the chords of the upper and lower wings of a biplane (2) : spark gap b. : a place from which something is missing < into the gap left by mobilized men have come women — A.R.Williams > 5. : a break in continuity : interval, hiatus < intervening gap of over thirty years — Osbert Sitwell > 6. : a break in the vascular cylinder of a plant where a vascular trace departs from the central cylinder — see branch gap, leaf gap 7. a. : a wide difference in character or attitude < gap between generations > b. : a wide difference in condition or quality < gap between rich and poor > 8. : a lack of balance between exports and imports : dollar gap < half the gap in the trade balance represented machinery — Harry Gilroy > Synonyms: see break II. verb (gapped ; gapped ; gapping ; gaps) transitive verb 1. : to make jagged : notch 2. : to make an opening in : breach — usually used in past tense < the magnificent row of houses was gapped in two places where bombs had fallen — C.D.Lewis > 3. : to adjust the space between the electrodes of (a spark plug) intransitive verb 1. : to become notched or jagged < steel gapped and lost its edge — Reader > 2. : to become separated < do not let the collar … gap away from the neck — New York Herald Tribune > < causing his … shirt to gap open — Calvin Kentfield > III. dialect variant of gape |