Teeth tell all—in sheep and people

You can tell the age of a sheep by its teeth. People are more complicated. More about people later. If you hear someone using the word “tooth” as a transitive verb, chances are they’re talking about “toothing” an animal to determine its age. Maybe a ewe. Or maybe a cow. Or some other species. Chances are you won’t find the verb form of tooth in print—not on the...