"Oak floorboards" refers to wooden planks made from oak tree material that are specifically used to cover the floor of a room or space. Full definition
Timber cornicing gives a furniture feel, while engineered oak floorboards continue the country theme. (idealhome.co.uk)
... the walls breathe, gently rising and falling beside Alba and the stripped oak floorboards soften under her feet and the lightbulbs and lampshades pull at the ceiling to get a closer look at her. (bookbrowse.com)
Victorian Woodworks can supply reclaimed oak floorboards. (idealhome.co.uk)