geometer

Meanings

1. 1
   noun

   a mathematician who specializes in geometry

   The geometer proved that the construction works for every triangle.

2. 2
   noun

   a moth of the family Geometridae, whose caterpillars move by looping their bodies

   A pale geometer settled on the porch light after dusk.

From Late Latin geometres, from Greek geometres ("land measurer"), combining ge ("earth, land") + metron ("measure"). The moth name alludes to the measuring gait of its caterpillar.

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