This is what I was really thinking of with my previous question. Anne gave "danders", and I almost challenged, but wasn't sure of the rule. I tried searching "main entry", but that was not enlightening:
One entry found.
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dan·der Listen to the pronunciation of dander
alteration of dandruff
1: dandruff ; specifically : minute scales from hair, feathers, or skin that may be allergenic2: anger , temper <now don't get your dander up>