If drinks are on tap, they come from a tap rather than from a bottle.
Filtered water is always on tap, making it very convenient to use.
See full dictionary entry for tap
on tap
phrase
If something is on tap, you can have as much of it as you want whenever you want.
[informal]
The advantage of group holidays is company on tap but time alone if you want it.
See full dictionary entry for tap
on tap in British English
a. informal
ready for immediate use
b.
(of drinks) on draught
See full dictionary entry for tap
on tap in American English
1.
in a tapped or open cask (of liquor) and ready to be drawn; on draft
2. Informal
ready for consideration or action
See full dictionary entry for tap
on tap
available and ready for immediate use
The enterprise agency's close links with both the university and several businessinstitutions provides local businesses with a wealth of knowledge on tap.
[US]
scheduled to happen very soon
Onerous new reporting requirements are on tap, as are regulations still being draftedto implement new statutory regulation of financial institutions.
on tap in Hospitality
(ɒn tæp)
phrase
(Hospitality (hotel): Hotel bar)
If drinks are on tap, they come from a tap rather than from a bottle.
What drinks have you got on tap?
Filtered water is always on tap here.
Most customers prefer beer on tap to beer in a bottle.
Synonyms of 'on tap'
available, ready, standing by, to hand
on draught, cask-conditioned, from barrels, not bottled or canned