lǔ
scull (single oar worked from side to side over the stern of a boat) (free word)
yáo lǔ
to scull (with a single oar, usually mounted on the stern of the boat)
lóu lǔ
watch tower
movable battlefield turret
yáo lǔ chuán
boat propelled by a yuloh (a single sculling oar)