Lameness n. : The condition or quality of being lame; as, the lameness of an excuse or an argument.

Example:
Are these symptoms with Lameness and discharge related?

Taxonomy
lameness, injury, equine, horse, lameness in horses, free encyclopedia, Equine Lameness, travel, inflammation, strain, swelling, disease, lame, initial assessment, blemish, acute period, inflammatory diseases, search.

Defination from the web:
Lameness in horses and other equidae is a term used to refer to any number of conditions where the animal fails to travel in a regular and sound manner on all four feet. ... Lameness severity is typically evaluated on a scale of 1 to 5, with higher numbers indicating a more ...