po͝otlôg, -lŏg, pŭt- In masonry construction, any of the horizontal, wood or metal pieces which support the floor planks of a scaffold and which are themselves supported at one end in holes left temporarily in a wall under construction.

What is the meaning of putlog?

: one of the short timbers that support the flooring of a scaffold.

What is a putlog in construction terms?

Putlog holes (also referred to as putlock holes or putholes) are small gaps or recesses incorporated into the construction of a stone or brick wall. Their purpose is to support the short horizontal beams or round poles known as putlogs (or putlocks).