moor up
1. Of a ship, to become anchored or fastened in place. Also used in reference to the people aboard the ship. The pub has a few spots on the canal where we can moor up. The cruise ship moored up in the bay, being too large to navigate the harbor.
2. To cause a ship to become secured in place, as by casting anchor or by fastening it with ropes or cables. In this usage, a noun or pronoun can be used between "moor" and "up." Tom didn't moor the boat up correctly, and it ended up drifting out into the bay overnight.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.