'weathergaw' definitions:

Definition of 'weathergaw'

From: GCIDE

Sundog \Sun"dog`\, n. (Meteorol.)
1. A luminous spot occasionally seen a few degrees from the sun, supposed to be formed by the intersection of two or more halos, or in a manner similar to that of halos. [1913 Webster]
2. A fragmentary rainbow; a small rainbow near the horizon; -- called also dog and weathergaw. [Webster 1913 Suppl.]