grill vs warm up

grill

verb
  • To feel very hot; to swelter. 

  • To cook (food) on a grill; to barbecue. 

  • To cook food under the element of a stove or only under the top element of an oven – (US) broil, (cooking) salamander. 

  • To interrogate; to question aggressively or harshly. 

  • To stamp or mark with a grill. 

noun
  • A cooking device comprising a source of radiative and convective heat and a means of holding food above it; a barbecue. 

  • A grating; a grid of wire or a sheet of material with a pattern of holes or slots, usually used to protect something while allowing the passage of air and liquids. Typical uses: to allow air through a fan while preventing fingers or objects from passing; to allow people to talk to somebody, while preventing attack. 

  • A grillroom; a restaurant serving grilled food. 

  • A type of jewelry worn on the front teeth. 

  • The criss-cross pieces that separate panes of glass in a window. 

  • Food (designed to be) cooked on a grill. 

  • The front teeth regarded collectively. 

  • On a vehicle, a slotted cover as above, to protect and hide the radiator, while admitting air to cool it. 

  • A cooking device comprising a source of radiative heat and a means of holding food under it; a broiler in US English 

warm up

verb
  • To become warmer. 

  • To reach, or cause to reach, a normal operating temperature (of a car for example). 

  • To heat or reheat (e.g. food). 

  • To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise. 

  • To make (an audience) enthusiastic or animated before a show 

  • To prepare for an activity by carrying out a practice or preparation routine. 

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