[f. UNI- + L. rēm-us oar, after bi-, quadri-, trireme, etc.] An ancient vessel or galley having one bank of oars.

1

1699.  J. Potter, Antiq. Greece, III. xiv. II. 135. [A ship] betwixt an Vnireme, and Bireme, consisting of a Bank, and a half.

2

1799.  Charnock, in Naval Chron., I. 134. The Uniremes … had only one row of oars.

3

1900.  Athenæum, 13 Aug., 221/3. The thing shown is meant for a unireme.

4