Ter"nate*ly

from The Collaborative International Dictionary of English v.0.48

Ternate \Ter"nate\, a. [NL. ternatus, fr. L. terni three each.
   See {Tern}, a.]
   Having the parts arranged by threes; as, ternate branches,
   leaves, or flowers. -- {Ter"nate*ly}, adv.
   [1913 Webster]