zoocarphttp://www.oed.com/dictionary/zoocarp_n%3Ftab%3Dmeaning_and_usezoocarp, n.
Revised 2017

† zoocarpnoun

Obsolete.
  1. 1824–88
    A motile spore or single-celled organism, esp. a zoospore.
    1. 1824
      We find..a very abbreviated notice of Zoocarps, or animated germs of certain non-descript Algæ,..on such a curious and mysterious subject, we could have welcomed a little more specialty.
      Monthly Review vol. 105 App. 495
    2. 1843
      Zoocarpes, the name given to certain organized bodies which have been variously classed..as animals or plants... It is in the lower forms [of Algæ] more particularly that the Zoocarps occur.
      Penny Cyclopaedia vol. XXVII. 804
    3. 1888
      Zoocarp, a zoospore.
      Cassell's Encyclopædic Dictionary vol. VII. ii. 632/3

Originally published as part of the entry for zoo-, comb. form

zoo-, comb. form was revised in June 2017.