The Collaborative International Dictionary of English v.0.48:

Pollack \Pol"lack\, n. [Cf. G. & D. pollack, and Gael. pollag a
   little pool, a sort of fish.] (Zool.)
   (a) A marine gadoid food fish of Europe (Pollachius
       virens). Called also greenfish, greenling, lait,
       leet, lob, lythe, and whiting pollack.
   (b) The American pollock; the coalfish.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leet \Leet\ (l[=e]t), obs. imp.
   of Let, to allow. --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leet \Leet\, n. [Cf. AS. hl[=e]t share, lot.]
   A portion; a list, esp. a list of candidates for an office.
   [Scot.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leet \Leet\, n. [LL. leta. Cf. F. lit de justice a solemn
   sitting of the king in Parliament, L. lis, litis, a lawsuit,
   It., Sp., & Pg. lite.] (Eng. Hist.)
   A court-leet; the district within the jurisdiction of a
   court-leet; the day on which a court-leet is held. --Shak.
   [1913 Webster]

   Note: The original intent of the court-leet was to view the
         frankpledges or freemen within the liberty; hence
         called the view of frankpledge. Latterly it has fallen
         into almost entire disuse. --Burrill. Warren's
         Blackstone.
         [1913 Webster]

   Leet ale, a feast or merrymaking in time of leet. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Leet \Leet\, n. [Etymol. uncertain.] (Zool.)
   The European pollock.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lythe \Lythe\ (l[imac]th), n. (Zool.)
   The European pollack; -- called also laith, and leet.
   [Scot.]
   [1913 Webster]

The Free On-line Dictionary of Computing (30 December 2018):

elite
leet

   1.  A term used to describe skilled crackers or
   hackers, or their deeds.  In the last sense, compare to
   elegant.

   The term is also used to describe exclusive forums (ftp
   sites, BBSs) used for trading pirated software, cracking
   tools, or phreaking codes.

   (1997-01-31)