clone

 a group of organisms derived from a single individual by some kind of asexual reproduction; -- used mostly of microorganisms such as bacteria and yeast.  [WordNet 1.5]

 an individual organism containing a genetic complement identical to that of another organism, produced by using the genetic material from the second animal in a non-sexual reproduction process.  [PJC]

 something virtually identical to another object.  [PJC]

 to make a clone from; to make identical copies of an organism by a non-sexual process of reproduction.  [WordNet 1.5]

 to grow colonies of a microorganism by spreading a suspension of the microorganism onto a solid growth medium (such as in a Petri dish), at a concentration such that individual colonies will grow from single cells sufficiently well separated from other colonies so that pure cultures derived from a single organism can be isolated.  [WordNet 1.5]

 to make large quantities of a segment of DNA by inserting it, using biochemical techniques, into the DNA of a microorganism, and growing that microorganism in large numbers; as, to clone the gene for growth hormone.  [PJC]