So the ships can see the rocks before they go and crash into them mate
a lighthouse
if they are mechanical strobe lights- yes.
They are by the lighthouse
the Lighthouse
turn it on
A lighthouse.
A lighthouse.
You could get a job as a lighthouse?
Yes. Lighthouse is a noun. REMEMBER: A NOUN IS A PERSON,PLACE,OR THING.
Lighthouse is a compound word.
the lighthouse at two lights and night hawks
it is because of lights other than the moon like beach houses.