POLYMORPH
polymorph
(noun) an organism that can assume more than one adult form as in the castes of ants or termites
Source: WordNet® 3.1
Etymology
Noun
polymorph (plural polymorphs)
(biology) Any organism that shows polymorphism.
(chemistry, geology) Any substance or mineral that forms different types of crystal.
(transitive, fiction) The transformation of an item or creature into something different by magic.
Verb
polymorph (third-person singular simple present polymorphs, present participle polymorphing, simple past and past participle polymorphed)
(intransitive) To transform; to change into another form.
(fiction, ambitransitive) To transform into something different by magic.
Source: Wiktionary
Pol"y*morph, n. Etym: [Gr. polymorphe.] (Crystallog.)
Definition: A substance capable of crystallizing in several distinct forms;
also, any one of these forms. Cf. Allomorph.
Source: Webster’s Unabridged Dictionary 1913 Edition