cross thwart - a crosspiece spreading the gunnels of a boat; used as a seat in a rowboatthwartcrosspiece - a transverse bracedinghy, dory, rowboat - a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled
cross thwart - a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat