| They were built as a system of separate fortresses, abatis lines, and on forested terrain, tree blowdowns. |
| It was a combination of towers, palisades, ditches, abatis, and caltrops to slow the attacking Gauls. |
| The further we can get through that abatis before they discover us, the fewer we'll have killed. |
| He got his smashed with a bullet comin' through the abatis, and's bin mournin' about 'em ever since. |
| Union soldiers completed digging a series of ditches that zigzagged forward and reached the abatis. |
| There were still labourers out there, struggling to manoeuvre an abatis into position. |
