tent vs umbrella

tent

noun
  • A pavilion or portable lodge consisting of skins, canvas, or some strong cloth, stretched and sustained by poles, used for sheltering people from the weather. 

  • A trouser tent; a piece of fabric, etc. protruding outward like a tent. 

  • A portable pulpit set up outside to accommodate worshippers who cannot fit into a church. 

  • A probe for searching a wound. 

  • A roll of lint or linen, or a conical or cylindrical piece of sponge or other absorbent, used chiefly to dilate a natural canal, to keep open the orifice of a wound, or to absorb discharges. 

verb
  • To go camping. 

  • To prop up aluminum foil in an inverted "V" (reminiscent of a pop-up tent) over food to reduce splatter, before putting it in the oven. 

  • To form into a tent-like shape. 

  • Synonym of fumigate 

  • To probe or to search with a tent; to keep open with a tent. 

umbrella

noun
  • A cloth-covered frame used for protection against rain or sun. 

  • Something that covers a wide range of concepts, purposes, groups, etc. 

  • The main body of a jellyfish, excluding the tentacles. 

  • Generally, anything that provides protection. 

  • An umbrella-shaped reflector with a white or silvery inner surface, used to diffuse a nearby light. 

verb
  • To move like a jellyfish. 

  • To cover or protect, as if by an umbrella. 

  • To form the dome shape of an open umbrella. 

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