[sniff] vb [ME] vi (14c) 1: to draw air audibly up the nose esp. for smelling "~ed at the flowers"
2: to show or express disdain or scorn ~ vt 1: to smell or take by inhalation through the nose
2: to utter contemptuously
3: to recognize or detect by or as if by smelling "~ out trouble"
[2]sniff n (1767) 1: an act or sound of sniffing
2: a quantity that is sniffed