Skerry
/ˈskeri/
Definition 1 of 1
Pro Tip 1/3Geographical Term
Used to refer to rocky islands specifically in Scottish or Irish waters, less in general oceanography. 
On our trip to Scotland, we saw a skerry just off the coast.
Pro Tip 2/3Not Always Submerged
Skerries may appear as small rocky islands, sometimes visible above water, not always submerged. 
A group of seals rested on the skerry at low tide.
Pro Tip 3/3Navigation Hazard
Skerries can be dangerous for boats due to their potential to be partially hidden underwater. 
Navigational charts mark the skerries to prevent ship accidents.