Scal·lion n.
  1. Bot. A kind of small onion (Allium Ascalonicum), native of Palestine; the eschalot, or shallot.
  2. Any onion which does not “bottom out,” but remains with a thick stem like a leek.
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  Shal·lot n.  Bot. A small kind of onion (Allium Ascalonicum) growing in clusters, and ready for gathering in spring; a scallion, or eschalot.
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  Allium ascalonicum
       n : type of onion plant producing small clustered mild-flavored
           bulbs used as seasoning [syn: shallot, eschalot, multiplier
           onion, Allium cepa aggregatum]