Something that occludes; an occluder.
Having the function of, involved in, or undergoing closure or occlusion; specifically designating the edges of the opercular plates of a barnacle which come into contact when the aperture is closed.
Today’s NYT Connections Answers Apr 24, #318 - Daily Updates & Hints
Today’s Wordle Answer Apr 24 #1040- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Apr 24 Solved
NYT Strands Today - Hints, Spangram & Answers for April 24