noun.
an identifyingcharacteristic, habit or trend
noun.
In object-oriented programming, an uninstantiablecollection of methods that provides functionality to a class by using the class’s own interface.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a distinguishing feature of your personal nature
Word Usage
"Blue-red fingernails, I noticed, even as I was wondering about the word trait."