the personification of time as an old man, usually in a white robe, having a white beard, and carrying a scythe.
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British Dictionary definitions for father time
time personified as an old bearded man, usually carrying a scythe and an hourglass
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012