tap noun
1 for water, gas, etc.
ADJ. hot, hot-water | cold, cold-water | mixer | dripping, running the sound of a dripping tap | leaky | bath, bathroom, kitchen
VERB + TAP turn (off/on) Turn the tap clockwise. | run You have to run the tap a long time before the hot water comes.
TAP + VERB drip, run Someone has left the tap running. | leak
TAP + NOUN water | washer
PREP. on ~ The pub has two sorts of beer on tap (= in a barrel with a tap on it). (figurative) We have this sort of information on tap (= available to be used at any time).
2 quick gentle blow; the sound it makes
ADJ. gentle, light, little | sharp
VERB + TAP give sb/sth
PREP. ~ at There was a little tap at the door. | ~ on He gave her a tap on the shoulder.
tap verb
ADV. gently, lightly She tapped her fingers gently on the table. | away She tapped away at her keyboard.
PREP. against, at, on, with She tapped the ice with a stick.
You can also check other dicts: tap (English, 中文解释 ), wordnet sense, Collins Definition