D defs.my
Entry 1 sense Webster, 1913

Protista

· Pro·tis·ta · IPA
01 n. pl. A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals.
  1. 1.
    A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals.(Zool.)