Definitions

1. noun

A type of shallow pool or depression in a sandy or muddy coastal area, particularly one formed by the action of the tide.

“The beachcomber carefully navigated the gillstoup, searching for shells and other treasures.”

2. verb

To navigate or walk through a gillstoup, often in search of something.

“She gillstouped through the shallow waters, looking for the perfect shell to add to her collection.”