"The kilij has a slight taper down the straight part of the blade. In the bottom portion, it angles sharply and becomes deeper." "So," Thomas said, "you're suggesting there are different types of scimitars?" "Yeah, a bunch. There's the Afghani pulwar, the Ethiopian shotel, the Turkic aldaspan, and at least a dozen more." "You're the resident swordsman, considerate it yours."
Source: wiktionary