[sek-uh nd hand for 1; sek-uh nd hand for 2, 3]
the hand that indicates the seconds on a clock or watch.
an assistant or helper, as to a worker or foreman.
at second hand, from or through an intermediate source or means; secondhand: She had the news at second hand.
Origin of second hand
1425–75 for def 3; 1750–60 for def 1; late Middle English
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at second hand
Received from some source other than the original. For example, I learned of Mary's divorce at second hand. This phrase may be applied to information or to previously owned merchandise. [1400s] Also see at first hand.
see at second hand.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.