v. t. (Naut.) To row by rowers sitting side by side in twos on a bank or thwart. [ 1913 Webster ]

To double-bank an oar, to set two men to pulling one oar. [ 1913 Webster ]

a. Applied to a kind of rowing in which the rowers sit side by side in twos, a pair of oars being worked from each bank or thwart.