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prettygoodword ([personal profile] prettygoodword) wrote2012-05-23 07:15 am

thagomizer

thagomizer (tha-goh-MEYE-zuhr) - n. (inf.) the collection of spikes on the end of the tail of stegasaurid dinosaurs.


Coined in 1982 by Gary Larson in a The Far Side cartoon, and since adopted by many paleontologists, especially in informal contexts -- Wiktionary has a selection of citations. Ostensibly named after "the late Thag Simmons."

Posted today in honor of a knitted dragon that has one.

---L.

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