leptomeningitis

from WordNet (r) 3.0 (2006)

leptomeningitis
    n 1: inflammation of the leptomeninges

from The Collaborative International Dictionary of English v.0.48

Leptomeningitis \Lep`to*men`in*gi"tis\
   (l[e^]p`t[-o]*m[e^]n`[i^]n*j[imac]"t[i^]s), n. [NL., fr. Gr.
   lepto`s small + meningitis.] (Med.)
   Inflammation of the pia mater or of the arachnoid membrane.
   [1913 Webster]