squ-oval
adj.— «Pointy talons are also a big no-no—”squ-oval” is the new shape for nails, it suits most and it means—you’ve guessed it—a square tip with rounded edges.» —“Give your nails the edge with a varnishing act” by Sarah Heaney Daily Mail (U.K.) Sept. 12, 2002. (source: Double-Tongued Dictionary)