1. [n]  hand tool for boring holes
2. [n]  a cocktail made of gin or vodka and lime juice

GIMLET is a 6 letter word that starts with G.

1. \Gim"let\, n. [Also written and pronounced {gimbled}]
   [OF. guimbelet, guibelet, F. gibelet, prob. fr. OD. wimpel,
   weme, a bore, wemelen to bore, to wimble. See {Wimble}, n.]
   A small tool for boring holes. It has a leading screw, a
   grooved body, and a cross handle.
   
   {Gimlet eye}, a squint-eye. [Colloq.] --Wright.
   
   

2. \Gim"let\, v. t. [imp. & p. p. {Gimleted}; p. pr. & vb.
   n. {Gimleting}.]
   1. To pierce or make with a gimlet.
   
   2. (Naut.) To turn round (an anchor) by the stock, with a
      motion like turning a gimlet.