Girt is probably simply change of th to t, which is also found elsewhere in sco.
Its mate was drunk years ago at my ain' weddin' in sco'lan'.
That must have been a build-up, but Ben goofed his cue to move in on sco and me for a close.
He returned to his Dart, hopped back across the lake in it, and unloaded his sco drill.
No. 13 explains some differences 10in the later pronunciation of sco.
With his sco drill he might have pierced that silicon dioxide armor till he reached the creature's gritty flesh.
He went to the spot where he had left his sco drill, and a further evidence of the thing's cold blooded ferocity was revealed.