n 1  :  the action or an instance of cutting or separating by cutting : esp  :  the action of dividing (as tissues) surgically <nerve >  <abdominal >  - see CESAREAN SECTION   2  :  a natural subdivision of a taxonomic group  3  :  a very thin slice (as of tissue) suitable for microscopic examination
vt, sec*tioned  sec*tion*ing   1  :  to divide (a body part or organ) surgically < a nerve>   2  :  to cut (fixed tissue) into thin slices for microscopic examination .
 
 
 
Similar sounding terms:   suction 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.