life form

or life-form

|

noun

the form that is characteristic of a particular organism at maturity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for life form

British Dictionary definitions for life form

life form


noun

biology the characteristic overall form and structure of a mature organism on the basis of which it can be classified
any living creature
(in science fiction) an alien
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012