Meteorol. [? f. WANE sb.1 or v.

1

  The sense meant to be expressed by the compound was perh. ‘a cloud in process of waning or becoming smaller.’]

2

  A cirro-stratus cloud.

3

1823.  T. Forster, Res. Atmosph. Phenomena, i. § 6 (ed. 3), 17. Of the Cirrostratus or Wanecloud.

4