Of or relating to the order Ploima of rotifers that move only by swimming, which includes the majority of rotifer species.
Origin
Late 19th century; earliest use found in The Century Dictionary. From scientific Latin Ploïma, order name (C. J. Hudson and P. H. GosseRotifera I. 26; from ancient Greek πλώϊμος fit for sailing, seaworthy from (Ionic) πλώειν (Attic πλεῖν) to sail + -ιμος, suffix forming adjectives) + -ate.