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time-ball |
Grep of noun time-ball time-ball Overview of noun time-ball The noun time-ball has 1 sense (no senses from tagged texts) 1. time-ball -- (a ball that slides down a staff to show a fixed time; especially at an observatory) Overview of noun time-ball The noun time-ball has 1 sense (no senses from tagged texts) 1. time-ball -- (a ball that slides down a staff to show a fixed time; especially at an observatory)
time-ball definition