D defs.my
Entry 1 sense Webster, 1913

Amoeba

/əm-ēb'-ə/ · A·moe·ba · IPA /əˈmiːbə/
01 n. A rhizopod common in fresh water, capable of undergoing many changes of form at will. Same as ameba. See Rhizopoda.
pl. Amœbæ, Amœbas
  1. 1.
    A rhizopod common in fresh water, capable of undergoing many changes of form at will. Same as ameba. See Rhizopoda.(Zool.) See: ameba, Rhizopoda