milepost vs stanchion

milepost

noun
  • A post on a highway, often with one or more fingerposts, showing the distance in miles to nearby places 

  • A sign or post beside a railway marking the distance from the (actual or nominal) start of a line (usually the principal terminus or junction with a more major line) 

verb
  • To place mileposts along (a road, etc.). 

stanchion

noun
  • A vertical pole, post, or support. 

  • A framework of such posts, used to secure or confine cattle. 

verb
  • To confine by means of stanchions, typically used for cattle. 

  • To erect stanchions, or equip something with stanchions. 

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