From The Collaborative International Dictionary of English v.0.44 [gcide]:
Antimacassar \An'ti*ma*cas"sar\ ([a^]n't[i^]*m[.a]*k[a^]s"s[~e]r), noun A cover for the back or arms of a chair or sofa, etc., to prevent them from wear or from being soiled by macassar or other oil from the hair.
From WordNet (r) 2.0 [wn]:
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