verb

• (transitive) To form (something) by combining materials or parts.
  "It was a bridge ybuilt in goodly wize, / With curious Corbes and pendants grauen faire, [...]"
• (transitive) To develop or give form to (something) according to a plan or process.
  "The dirty secret of the internet is that all this distraction and interruption is immensely profitable. Web companies like to boast about […], or offering services that let you [...] "share the things you love with the world" and so on. But the real way to build a successful online business is to be better than your rivals at undermining people's control of their own attention."
• (transitive) To increase or strengthen (something) by adding gradually to.
  "Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete."
• (transitive) To establish a basis for (something).

noun

• (countable, uncountable) The physique of a human or animal body, or other object; constitution or structure.
  "Rugby players are of sturdy build."
• (computing, countable) Any of various versions of a software product as it is being developed for release to users.
  "The computer company has introduced a new prototype build to beta testers."
• (countable) The process or period of constructing a physical object.
  "This new Lego set was a very nice build."
• (gaming, slang, countable) A structure, such as a building, statue, pool or forest created by the player.
  "I made a build that looked like the Parthenon in that game."