| Date: | 1100-1200 |
| Language: | Latin |
| Origin: | capitalis, from caput 'head' |
1SLA a capital letter is one that is written or printed in its large form [↪ lower case, upper case]:
capital 'B'
capital 'B'2 relating to money that you use to start a business or to make more money :
capital investments
capital investments4 used with any word in order to emphasize that you are talking about an extreme type of something
trouble with a capital T, fast with a capital F etc
informal5 old-fashioned excellent
