laquinus Save DMLBS laquinus [cf. lacuna 3, lacunar 3, laquear 2, laqueus 5] , (arch.) tie beam, truss. 1297 r. c. de iiijxxx ring. ij bu. per taskam de meya cum cumulo in capite aquilonare majoris grangie plena fere ad ~os MinAc Wistow 10.