IPA: /ɪkˈskluːdə/
KK: /ɪkˈskludər/
An object or person that prevents others from being included or participating.
The excluder was designed to keep unwanted animals out of the garden.
Excluder → It is formed from "ex-" (meaning out) and "claudere" (meaning to close). The word "excluder" refers to something that closes off or keeps something out.
Think of something that 'closes out' ('ex-') — that's why an excluder means to keep something out.