Lu·te·ic a. Chem. (a) Pertaining to, or derived from, weld (Reseda luteola). (b) Pertaining to, or designating, an acid resembling luteolin, but obtained from the flowers of Euphorbia cyparissias.
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  Tith·y·mal n.  Bot. Any kind of spurge, esp. Euphorbia Cyparissias.
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  Wel·come a.
  1. Received with gladness; admitted willingly to the house, entertainment, or company; as, a welcome visitor.
     When the glad soul is made Heaven's welcome guest.   --Cowper.
  2. Producing gladness; grateful; as, a welcome present; welcome news.  “O, welcome hour!”
  3. Free to have or enjoy gratuitously; as, you are welcome to the use of my library.
  Note: ☞ Welcome is used elliptically for you are welcome. “Welcome, great monarch, to your own.”
  Welcome-to-our-house Bot., a kind of spurge (Euphorbia Cyparissias).
  Euphorbia cyparissias
       n : Old World perennial having foliage resembling cypress;
           naturalized as a weed in the United States [syn: cypress
           spurge]