'pitsaw' definitions:

Definition of 'pitsaw'

(from WordNet)
noun
A large two-handed saw formerly used to cut logs into planks; one man stood above the log and the other in a pit below

Definition of 'pitsaw'

From: GCIDE
  • pitsaw \pit"saw\ n. A large two-handed saw formerly used to cut logs into planks; one man stood above the log and the other in a pit below. [WordNet 1.5]