What does "sumptuous" mean?

Sumptuous: Involving large outlay or expense; costly; expensive; hence, luxurious; splendid; magnificient; as, a sumptuous house or table; sumptuous apparel. We are too magnificient and sumptuous in our tables and attendance. Atterbury. She spoke, and turned her sumptuous head, with eyes Of shining expectation fixed on mine. Tennyson. -- Sump"tu*ous*ly, adv. -- Sump"tu*ous*ness, n.