quadrille3 /kwäˈdril, kwɑˈdrɪl 
/ ▸ noun a ruled grid of small squares, especially on paper: [as modifier] 50 unheaded gray quadrille leaves.
– ORIGIN late 19th century : from French quadrillé, from quadrille ‘small square’, from Spanish cuadrillo ‘small block’.
EnglishOxford New American Dictionary
