Definition of fill the gaps
- He's trying to fill the gaps in his CD collection.
: to put into as much as can be held or conveniently contained
: to supply with a full complement
: to cause to swell or billow
: a full supply
: something that fills: such as
: material used to fill a receptacle, cavity, passage, or low place
: a break in a barrier (such as a wall, hedge, or line of military defense)
: an assailable position
: a mountain pass
: to make an opening in
: to adjust the space between the electrodes of (a spark plug)
: to fall or stand open
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