pocket clock

English

Noun

pocket clock (plural pocket clocks)

1. (now chiefly historical) A small portable timepiece; a pocket watch. [from 17th c.]
   • c. 1631, John Donne, Obsequy on the Lord Harrington:

     Though as small pocket-clocks, whose every wheele / Doth each mismotion and distemper feele…

   • 1665, Robert Hooke, Micrographia, section XX:

     We know there may be as much curiosity of contrivance, and excellency of form in a very small Pocket-clock, that takes up not an Inch square of room, as there may be in a Church-clock that fills a whole room […].