plank
Definitions
A long, thin, flat piece of timber used in building or flooring.
A physical exercise in which one holds a rigid, straight-backed position supported by the forearms and toes.
A fundamental point or principle in the political platform of a party or candidate.
Examples
The carpenter used a sturdy wooden plank to bridge the gap between the two platforms.
She held the plank position for two minutes to strengthen her core muscles.