DOT
NOUNS
1868 ► POP a dot, a speck, a drop; a minute quantity of a substance → Sc.
1900 ► DAUT a dot, a speck, a spot → Eng. dial. (Bk.)
1905 ► TICK a dot of any kind; a small speck or spot; the dot above the letter I, etc. → Sc. (Bk.)
1905 ► TICKER a dot of any kind → Sc. (Bk.)
Lexicophilia 