Source : Webster's Revised Unabridged Dictionary (1913)

Quinquelobate \Quin`que*lo"bate\, Quinquelobared
\Quin`que*lo"ba*red\, a. [Quinque- + lobate, -ated: cf. F.
   quinqu['e]lob['e].]
   Cut less than halfway into portions, usually somewhat
   rounded; five-lobed; as, a quinquelobate leaf or corolla.