The Collaborative International Dictionary of English v.0.48:
Pycnogonid \Pyc*nog"o*nid\, n. (Zool.) One of the Pycnogonida. [1913 Webster]WordNet (r) 3.0 (2006):
pycnogonid n 1: any of various small spiderlike marine arthropods having small thin bodies and long slender legs [syn: sea spider, pycnogonid]