Sharp blade for removing or trimming facial and leg hair

noun

1. A keen-edged cutting instrument for shaving or cutting hair

adjective

1. Having a sharp narrow back

   "a razor-backed horse"

noun

1. Any of a family (Solenidae) of marine lamellibranch mollusks having a long narrow thin shell

noun

1. Coiled wire fitted with sharp razor edges and used as an obstacle or barrier

noun

1. A small, thin, sharp piece of metal that is used in a razor

noun

1. Used in various phrases to refer to a dangerous position or a position in which two different things are carefully balanced

adjective

1. Very sharp

   "Sharks have razor-sharp teeth."

2. Showing a lot of intelligence or the ability to think quickly

   "a razor-sharp attorney"

adjective

1. Very small or thin

   "razor-thin models"

noun

1. A scientific and philosophical rule that entities should not be multiplied unnecessarily which is interpreted as requiring that the simplest of competing theories be preferred to the more complex or that explanations of unknown phenomena be sought first in terms of known quantities