Definition of TORUS. 1. : a large molding of convex profile commonly occurring as the lowest molding in the base of a column.2. : the thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.3.efinition of TORUS. 1. : a large molding of convex profile commonly occurring as the lowest molding in the base of a column. 2. : the thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity. 3.
Artranq/iStock/Getty Images. Outdoor dogs generally shed most in April and May and have a second shedding season before winter, in August, September or October, depending on the climate. Some dogs blow their coat in a fairly rapid, massive shedding and others shed more gradually.
What causes dogs to shed excessively? A: A dog that sheds excessively may be suffering from such ailments as parasitic or fungal infections, allergies, Cushing's disease, allergic reactions to medication, cancer or an immune disorder, according to WebMD. Dogs that lack proper nutrition are also prone to shedding more than normal.