astragal vs bead

astragal

noun
  • A semicircular molding separating the architrave at the top or bottom of a column. 

  • A locoweed of the genus Astragalus. 

  • A die, especially a four-sided die historically made from or in imitation of an ankle bone. 

  • Synonym of astragalus: the bone forming the ball of the ankle joint. 

  • A molding attached to double doors to prevent drafts. 

  • A circular molding near the mouth of a cannon. 

  • A tool used to mold such features; similar tools used for connecting panes of glass in a window. 

  • A bracket used to fix downpipes to the wall of a building. 

bead

noun
  • A narrow molding with semicircular section. 

  • A bubble, in spirits. 

  • Each in a string of small balls making up the rosary or paternoster. 

  • Knowledge sufficient to direct one's activities to a purpose. 

  • A small, round ball at the end of a barrel of a gun used for aiming. 

  • A small drop of water or other liquid. 

  • A small, round object with a hole to allow it to be threaded on a cord or wire, particularly for decorative purposes. 

  • A rigid edge of a tire that mounts it on a wheel; tire bead. 

  • Various small, round solid objects. 

verb
  • To cause beads to form on (something). 

  • To apply beads to. 

  • To form into a bead. 

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