Acuteness of mind; eagerness; sharpness; rigour.
Keenness of vision, presence of mind in case of conflict or danger, together with steadiness of nerve, are the essential characteristics of a true hunter. "Memoirs of Orange Jacobs", Orange Jacobs
Keenness of vision, presence of mind in case of conflict or danger, together with steadiness of nerve, are the essential characteristics of a true hunter.