fascine

Originally a cylindrical bundle of small sticks of wood, and now often a bundle of plastic pipes, bound together, and used for strengthening purposes, such as in revetments for riverbanks, and in mats for dams, jetties, etc.

A similar bundle of sticks of wood or plastic pipes used for filling in ditches for armoured fighting vehicles to drive over, and for making parapets, raising batteries, and strengthening ramparts.

Our forces being landed and ſtationed as I have already mentioned, ſet about erecting a faſchine battery to cannonade the principal fort of the enemy, and in ſomething more than three vveeks, it vvas ready to open.

Halberts differ very little from the bill, being like them conſtructed both for puſhing and cutting: a halbert conſiſts of three parts, the ſpear, or ſometimes a kind of ſvvord blade for puſhing, an ax, or hatchet for ſtriking and cutting, and a flook or hook for pulling down faſcines, in the attack of trenches, or temporary fortifications.

Something which is used for defensive purposes.

To use fascines to build or reinforce (something), or to fill in (a trench, etc.).