gusset vs union

gusset

noun
  • A kind of bracket, or angular piece of iron, fastened in the angles of a structure to give strength or stiffness; especially, the part joining the barrel and the fire box of a locomotive boiler. 

  • A large flat metal piece wider than the valley to help prevent build-up at the base of the valley, either from debris or ice dam formations. 

  • A gousset, a piece of mail providing protection where armor plates meet. 

  • A small piece of cloth inserted in a garment, for the purpose of strengthening some part or giving it a tapering enlargement cf. godet. 

  • An abatement or mark of dishonor in a coat of arms, resembling a gusset. 

verb
  • To make with a gusset; to sew a gusset into. 

union

noun
  • A joint or other connection uniting parts of machinery, such as pipes. 

  • An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse. 

  • That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league. 

  • A data structure that can store any of various types of item, but only one at a time. 

  • The act of uniting or joining two or more things into one. 

  • A trade union; a workers' union. 

  • An association of students at a university for social and/or political purposes; also in some cases a debating body. 

  • The act or state of marriage. 

  • The set containing all of the elements of two or more sets. 

  • The state of being united or joined; a state of unity or harmony. 

verb
  • To combine sets using the union operation. 

adj
  • Belonging to, represented by, or otherwise pertaining to a labour union. 

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