meristic

me·ris·tic

adj \mə-ˈrist-ik\

Definition of MERISTIC

1

: of, relating to, or divided into segments (as metameres) <meristic organization of body structures>

2

: characterized by or involving modification in number or in geometrical relation of body parts <meristic variation>

—me·ris·ti·cal·ly \-i-k(ə-)lē\ adverb