NOUN (1)

1. a believer in Lamarckism;


ADJECTIVE (1)

1. of or relating to Lamarckism;
- Example: "Lamarckian theories"

The Collaborative International Dictionary of English v.0.48:

Lamarckian \La*marck"i*an\, a.
   Pertaining to, or involved in, the doctrines of
   Lamarckianism.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Lamarckian
    adj 1: of or relating to Lamarckism; "Lamarckian theories"
    n 1: a believer in Lamarckism