Meaning of TRIPLE in English
I. trip ‧ le 1 /ˈtrɪp ə l/ BrE AmE adjective [only before noun] , predeterminer
1 . having three parts or involving three groups, people, events etc ⇨ double :
a triple murder investigation
a triple bill of horror movies
the triple world champion
a triple bypass heart operation
2 . three times more than a particular number ⇨ double :
The rail system has triple the average number of accidents.
II. triple 2 BrE AmE verb [intransitive and transitive]
to increase by three times as much, or to make something do this ⇨ double :
The company has tripled in size.
We expect to triple our profits next year.
III. triple 3 BrE AmE noun [countable]
1 . a hit of the ball in baseball that allows the ↑ batter to get to the third ↑ base
2 . three turns of your body in a sport such as ICE SKATING or ↑ gymnastics
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012