larboard UK /ˈlɑːbɔːd/US /ˈlɑɹbɔɹd/ noun1 •(no longer used) The left side of a ship, looking from the stern forward to the bow; port side.[…] harder beset And more endangered than when Argo passed Through Bosporus betwixt the justling rocks, Or when Ulysses on the larboard shunned Charybdis, and by th’ other whirlpool steered. — 1674 formslarboards