moniliform

from The Collaborative International Dictionary of English v.0.48

Moniliform \Mo*nil"i*form\, a. [L. monile necklace + -form: cf.
   F. moniliforme.] (Biol.)
   Joined or constricted, at regular intervals, so as to
   resemble a string of beads; as, a moniliform root; a
   moniliform antenna. See Illust. of {Antenna}.
   [1913 Webster]