A thagomizer (/ˈθæɡəmaɪzər/) is the distinctive arrangement of four spikes on the tails of stegosaurian dinosaurs. These spikes are believed to have been a defensive measure against predators
This is part of the “What are words for?” project.
This word scored a six on a three part scale of allusiveness, political oomph and cultural capital (min score 1, max score 3 for each part of the scale). Lots of words did. This is one I clawed from the slushpile on a whim.