Princeton's WordNet

1. gap, spread(noun)

   a conspicuous disparity or difference as between two figures

   "gap between income and outgo"; "the spread between lending and borrowing costs"

2. opening, gap(noun)

   an open or empty space in or between things

   "there was a small opening between the trees"; "the explosion made a gap in the wall"

3. gap, crack(noun)

   a narrow opening

   "he opened the window a crack"

4. col, gap(noun)

   a pass between mountain peaks

5. gap(noun)

   a difference (especially an unfortunate difference) between two opinions or two views or two situations

6. break, interruption, disruption, gap(verb)

   an act of delaying or interrupting the continuity

   "it was presented without commercial breaks"; "there was a gap in his account"

7. gap, breach(verb)

   make an opening or gap in

Kernerman English Learner's Dictionary

1. gap(noun)æp

   a space between two things

   a gap between her two front teeth; a gap in the fence

2. gapæp

   a difference between two things

   the widening gap between rich and poor

3. gapæp

   to make things less different

   to bridge the gap between theory and practice

4. gapæp

   when sth is missing

   gaps in her knowledge

5. gapæp

   a pause between two things

   There's a ten-year gap between me and my brother.

Wiktionary

1. gap(Noun)

   An opening in anything made by breaking or parting.

2. gap(Noun)

   An opening allowing passage or entrance.

   We can slip through that gap.

3. gap(Noun)

   An opening that implies a breach or defect.

   There is a gap between the roof and the gutter.

4. gap(Noun)

   A vacant space or time.

   I have a gap in my schedule next Tuesday.

5. gap(Noun)

   A hiatus.

   I'm taking a gap.

6. gap(Noun)

   A mountain or hill pass.

   The exploring party went through the high gap in the mountains.

7. gap(Noun)

   A sheltered area of coast between two cliffs (mostly restricted to place names).

   At Birling Gap we can stop and go have a picnic on the beach.

8. gap(Noun)

   The regions between the outfielders.

   Jones doubled through the gap.

9. gap(Noun)

   The shortfall between the amount the medical insurer will pay to the service provider and the scheduled fee for the item.

10. gap(Verb)

    To notch, as a sword or knife.

11. gap(Verb)

    To make an opening in; to breach.

12. gap(Verb)

    To check the size of a gap.

    I gapped all the sparkplugs in my car then realized I used the wrong manual and had made them too small.

Webster Dictionary

1. Gap(noun)

   an opening in anything made by breaking or parting; as, a gap in a fence; an opening for a passage or entrance; an opening which implies a breach or defect; a vacant space or time; a hiatus; a mountain pass

2. Gap(verb)

   to notch, as a sword or knife

3. Gap(verb)

   to make an opening in; to breach

Dictionary of Military and Associated Terms

1. gap

   An area within a minefield or obstacle belt, free of live mines or obstacles, whose width and direction will allow a friendly force to pass through in tactical formation. See also phoney minefield.

• gaping, openingAfrikaans
• فَجْوَهArabic
• пролукаBulgarian
• folgaPortuguese (BR)
• mezeraCzech
• die LückeGerman
• mellemrumDanish
• χάσμα, κενό, άνοιγμαGreek
• hueco, espacio, vacío; brechaSpanish
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• aukkoFinnish
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• 갈라진 틈Korean
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• hull, mellomrom,åpningNorwegian
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• چوړاخ،Pashto
• espaçoPortuguese
• spaţiu, loc golRomanian
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• diera, medzeraSlovak
• reža, vrzelSlovenian
• šupljinaSerbian
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• ช่องว่างThai
• aralık, boşlukTurkish
• 縫隙，缺口Chinese (Trad.)
• щілина; проміжокUkrainian
• خلا، خالی جگہUrdu
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• 缝隙，缺口Chinese (Simp.)