fiddleback

English

a fiddleback (sense 1) seen at an angle from which the fiddle-like figure on its body is clearly visible (darker brown)

Etymology

From fiddle +‎ back.

Noun

fiddleback (plural fiddlebacks)

  1. The brown recluse spider.
  2. A feature of maple wood where the fibers are distorted in an undulating chatoyant pattern.
  3. A kind of chasuble with the front cut away.