a short horizontal beam that with others supports the floor planks of a scaffold
Word origin
C17: changed (through influence of log1) from earlier putlock, probably from put (past participle) +lock1
putlog in American English
(ˈpʊtˌlɔg)
noun
in masonry construction, any of the horizontal, wood or metal pieces which support the floor planks of a scaffold and which are themselvessupported at one end in holes left temporarily in a wall under construction
Word origin
altered (? infl. by UNRESOLVED CROSS REF) < earlier putlock < ? put + lock1