The website for overhyped Google competitor Cuil claims that cuil, which just happens to sound like the English "cool" but I'm sure that never crossed their minds, is a Gaelic word that means "knowledge." I'm not saying they made that up, but I'll feel better when I have a factcheck-quality reference for it. We've been poking around Gaelic dictionaries online, but the only definitions we've turned up are "rear" and "corner." I've emailed the company to ask for a source that would satisfy the typical research editor at a national mag or newspaper. Here's the FAQ version of Cuil's name: