English edit

 
bobbin-equipped Churchill AVRE, a bobbin tank

Etymology edit

bobbin +‎ tank, from the bobbin-like appearance of the spool of road surface material attached to the tank.

Noun edit

bobbin tank (plural bobbin tanks)

  1. A road-laying armoured tracked fighting vehicle that carries a spool of fabric to be used as a road surface over loose ground that tanks have difficulty crossing.