English dictionary
time-ball
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
a ball that slides down a staff to show a fixed time; especially at an observatory
Source: WordNet 3.0
English dictionary
Definitions, examples, synonyms and antonyms from WordNet 3.0.
a ball that slides down a staff to show a fixed time; especially at an observatory
Source: WordNet 3.0