the flat part of a tool or weapon that (usually) has a cutting edge
25
edge
a sharp side formed by the intersection of two surfaces of an object; "he rounded the edges of the box"
7
nostrils
the two openings to the nasal cavity in the nose
1
acme
the highest level or degree attainable: "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of