LET GO AND HAUL! or Afore haul! The order to haul the head-yards round by the braces when the ship casts on the other tack. "Let go," alluding to the fore-bowline and lee head-braces.

LET GO UNDER FOOT. See [Under Foot].

LET IN, To. To fix or fit a diminished part of one plank or piece of timber into a score formed in another to receive it, as the ends of the carlings into the beams.

LET OUT, or Shake out, a Reef, To. To increase the dimensions of a sail, by untying the points confining a reef in it.

LET-PASS. Permission given by superior authority to a vessel, to be shown to ships of war, to allow it to proceed on its voyage.

LET RUN, or let go by the Run. Cast off at once.

LETTER-BOARD. Another term for [name-board] (which see).

LETTER-BOOK. A book wherein is preserved a copy of all letters and orders written by the captain of a ship on public service.

LETTER MEN. See [King's Letter Men].

LETTERS. See [Circulars] and [Official Letters].