monaster Biol.
(mɒˈnæstə(r))
[f. mono- + Gr. ἀστήρ star.]
The single-star figure which occurs between the rosette and diaster stages in cell-division.
| 1889 Benham tr. Waldeyer in Q. Jrnl. Microsc. Sci. XXX. 177 The stage [of cell division] which is termed the ‘mother star’, ‘aster’, or ‘monaster’. 1889 Klein Elem. Histol. 10. |