ambulatory vs locomotor

ambulatory

adj
  • Of, relating to, or adapted to walking. 

  • Able to walk about and not bedridden. 

  • Performed on or involving an ambulatory patient or an outpatient. 

  • Accustomed to move from place to place; not stationary; movable. 

  • Not yet legally fixed or settled; alterable. 

noun
  • The round walkway encircling the altar in many cathedrals. 

  • Any part of a building intended for walking in; a corridor. 

locomotor

adj
  • Of or pertaining to movement or locomotion. 

noun
  • Something that is capable of locomotion. 

How often have the words ambulatory and locomotor occurred in a corpus of books? (source: Google Ngram Viewer )