n. A genus of naked pteropods. One species (Clione papilonacea), abundant in the Arctic Ocean, constitutes a part of the food of the Greenland whale. It is sometimes incorrectly called Clio. [ 1913 Webster ]

n. 1. (Biol.) a group of organisms derived from a single individual by some kind of asexual reproduction; -- used mostly of microorganisms such as bacteria and yeast.
Syn. -- clon. [ WordNet 1.5 ]

2. (Biol.) 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 ]

3. something virtually identical to another object. [ PJC ]

v. t. 1. (Biol.) to make a clone from; to make identical copies of an organism by a non-sexual process of reproduction. [ WordNet 1.5 ]

2. (Microbiol.) 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 ]

3. (Biochem.) 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 ]