false saber-toothed tiger: North American cat of the Miocene and Pliocene; much earlier and less specialized than members of the genus Smiledon
saber-toothed tiger: any of many extinct cats of the Old and New Worlds having long swordlike upper canine teeth; from the Oligocene through the Pleistocene
civil engineer: an engineer trained to design and construct and maintain public works (roads or bridges or harbors etc.)