/sek"euhnd hand'/ for 1; /sek"euhnd hand"/ for 2, 3
1. the hand that indicates the seconds on a clock or watch.
2. an assistant or helper, as to a worker or foreman.
3. at second hand , from or through an intermediate source or means; secondhand: She had the news at second hand.
[ 1425-75 for def. 3; 1750-60 for def. 1; late ME ]