a large receptacle for holding or, transporting, or storing liquids or gas
a container for fuel in a motor vehicle
the amount of fuel contained in this or that it can contain
dialect a pond or pool
Aus, India a reservoir
a clear-sided container in which to keep fish, etc
an enclosed heavily armed and armoured combat vehicle that moves on caterpillar tracks
NAmer a cell or jail
tankful (pl tankfuls) noun
[Gujarati tānkū or Merathi tānkē pond, cistern, from Sanskrit tadāga pond, prob influenced by Portuguese tanque pond, ultimately from Latin stagnum]