To name or list (the units of a group or collection) one by one in order to determine a total; number. To recite numerals in ascending order up to and including: count three before firing. To include in a reckoning; take account of: ten dogs, counting the puppies. Informal To include by or as if by counting: Count me in. Informal To exclude by or as if by counting: Count me out. To believe or consider to be; deem: Count yourself lucky. To recite or list numbers in order or enumerate items by units or groups: counted by tens. To have importance: You really count with me. To have a specified importance or value: Their opinions count for little. Each basket counts for two points. Music To keep time by counting beats. The act of counting or calculating. A number reached by counting. The totality of specific items in a particular sample: a white blood cell count. Law Any of the separate and distinct charges in an indictment. Sports The counting from one to ten seconds, during which time a boxer who has been knocked down must rise or be declared the loser. Baseball The number of balls and strikes that an umpire has called against a batter. count down To recite numerals in descending order, as during a countdown. count off To recite numbers in turn, as when dividing people or things into groups : The 24 children counted off by twos, forming a dozen pairs. count on To rely on; depend on: You can count on my help. count on To be confident of; anticipate: counted on getting a raise. count out To declare (a boxer) out to have been knocked out by calling out the count. heads To make a count of members, attendees, or participants by or as if by noting bodily presence. A nobleman in some European countries. Used as a title for such a nobleman.