Polly, a library worker in Martha’s Vineyard, Massachusetts, wonders about the correct term for the fuzzy puffball atop a warm hat. Is it a tribble or a pompom? The word tribble first appeared in the classic Star Trek episode “The Trouble with...
What do you call that room in your house where the family gathers — the family room? The den? The TV room? Names for that living space go in and out of fashion. In the 1930s, you might have called it the sitting room, parlor, living room, setting...

