starch
noun /stɑːtʃ/
  /stɑːrtʃ/
 - [uncountable, countable] a white carbohydrate food substance found in potatoes, flour, rice, etc.; food containing this
- There's too much starch in your diet.
 - You need to cut down on starches.
 
 - [uncountable] starch prepared in powder form or as a spray and used for making clothes, sheets, etc. stiff
- Spray starch on the shirt collars before ironing them.
 
 
Word OriginOld English (recorded only in the past participle sterced ‘stiffened’), of Germanic origin; related to Dutch sterken, German stärken ‘strengthen’, also to stark.