evocator noun. ['ɛvǝ(ʊ)keɪtǝ] L18.
[Latin, formed as EVOCATE: see -OR.]
1. A person who evocates or evokes something; esp. one who calls up a spirit. L18.

2. A chemical produced in one part of an embryo which causes another part to develop in a particular way; a morphogen. M20.

[TahlilGaran] English Dictionary ▲