yes Deas is Gaelic for Starboard side of the ship, or right hand side.
That you are crossing starboard to starboard or overtaking to port side. (you are passing on YOUR starboard side)
Port to port is the preferred method passage in most cases, however it is not always possible or practical. Also in crossing situations it maybe unsafe to arrange a port to port passage. I have seen plenty of acceptable starboard to starboard passages.
From port to starboard in assending order. From port to starboard in assending order.
Standing at the stern looking forward port is on the left starboard is on the right
In Irish "port" means: harbour / embankment / tune
Starboard is to the right; port is left. Taker her hard to starboard, helmsman!
Port and starboard are nautical words used to indicate the left and right side of a boat. Port = left Starboard = right
"Port" is to the left of forward motion and "starboard" is to the right.
ships hull number/name
When on a boat, facing towards the bow, the starboard side is on the right. The port side is on the left. The colours used for starboard is green, and port is red.
Titanic struck the iceberg on her starboard side.
Port