A medium cannon slightly smaller than a culverin developed during the early 17th century.
1589, Walter Bigges, A Svmmarie and Trve Discovrse of Sir Frances Drakes VVest Indian Voyage:
This place of strength vvas furnished of sixe great peeces, demi-Culuerins, and Sakers, vvhich shot directlie in front vpon vs as vve approched.
1616, M. Robert Anton, “The Philosophers fovrth Satyr of Mars”, in The Philosophers Satyrs, London: Printed by T[homas] C[reede] and B[ernard] A[lsop] for Roger Iackſon, page 36:
Let Sacars, Culuerings, and Cannons ſound / In honour of their bones, and rock the ground/ With all your deafning terrors: for behold / The Balſum for your wounds, are rich mens gold, /Powder the world with wonder, and thus crie, / The Camel now may paſſe the needles eie.
Of warlike engines he was author, / Devised for quick despatch of slaughter:/ The cannon, blunderbuss, and saker, / He was th' inventor of, and maker:[…]