Definition of mesoplast in English:

mesoplast

Pronunciation /ˈmɛsə(ʊ)plast/

noun

rare Biology
  • In algal cells: a type of phycoplast which develops among the remnants of the interzonal spindle after mitosis, and is not associated with the centrioles.

Origin

Late 19th century (in an earlier sense). From meso- + -plast.