single-shelled
1. [ adjective ] (zoology) univalve
Related terms: univalve
Similar spelling:   single-celled
  single_shell
  single-barrelled
  single-barreled
  single-spaced
  single-stranded
  single_file
  single-breasted
  single-minded
  single-handed
  single-channel
  single-bedded
  single-leaf
  single-lane
  single-mindedly
  single-handedly
  single-spacing
  single-mindedness