<hw>Jackpot</hw> 1. (a) See "jack pot" under jack; (b) any larger-than-usual gambling prize formed by the accumulation of unwon bets[=MW10 1(a)(2) and 1(c)]; (c) the highest gambling prize awarded in a gambling game in which smaller prizes are also awarded, especially such a prize on a slot machine. 2. (a) An unusually large success in an enterprise, either unexpected or unpredictable, esp. one providing a great financial benefit. <col>hit the jackpot</col>to receive an unexpectedly large (or the largest possible) benefit from an enterprise. -->
<h1>Jackpudding</h1> <Xpage=795>
<hw>Jack"pud`ding</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A merry-andrew; a buffoon.</def>
<i>Milton.</i>
<h1>Jacksaw</h1> <Xpage=795>
<hw>Jack"saw`</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Zo\'94l.)</fld> <def>The merganser.</def>
<h1>Jackscrew</h1> <Xpage=795>
<hw>Jack"screw`</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A jack in which a screw is used for lifting, or exerting pressure. See <i>Illust</i>. of 2d <er>Jack</er>, <tt>n.</tt>, 5.</def>
<h1>Jackslave</h1> <Xpage=795>
<hw>Jack"slave`</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A low servant; a mean fellow.</def>
<i>Shak.</i>
<h1>Jacksmith</h1> <Xpage=795>
<hw>Jack"smith`</hw> <tt>(?)</tt>, <tt>n.</tt> <def>A smith who makes jacks. See 2d <er>Jack</er>, 4, c.</def>
<i>Dryden.</i>
<h1>Jacksnipe</h1> <Xpage=795>
<hw>Jack"snipe`</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Zo\'94l.)</fld> <sd>(a)</sd> <def>A small European snipe (<spn>Limnocryptes gallinula</spn>); -- called also <altname>judcock</altname>, <altname>jedcock</altname>, <altname>juddock</altname>, <altname>jed</altname>, and <altname>half snipe</altname>.</def> <sd>(b)</sd> <def>A small American sandpiper (<spn>Tringa maculata</spn>); -- called also <altname>pectoral sandpiper</altname>, and <altname>grass snipe</altname>.</def>
<h1>Jackstay</h1> <Xpage=795>
<hw>Jack"stay`</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Naut.)</fld> <def>A rail of wood or iron stretching along a yard of a vessel, to which the sails are fastened.</def>
<h1>Jackstone</h1> <Xpage=795>
<hw>Jack"stone`</hw> <tt>(?)</tt>, <tt>n.</tt> <sd>(a)</sd> <def>One of the pebbles or pieces used in the game of jackstones.</def> <sd>(b)</sd> (<pluf>pl.</pluf>) <def>A game played with five small stones or pieces of metal. See 6th <er>Chuck</er>.</def> <-- also called "jacks" see jack, n. 12 -->
<h1>Jackstraw</h1> <Xpage=795>
<hw>Jack"straw`</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <def>An effigy stuffed with straw; a scarecrow; hence, a man without property or influence.</def>
<i>Milton.</i>
<p><b>2.</b> <def>One of a set of straws of strips of ivory, bone, wood, etc., for playing a child's game, the jackstraws being thrown confusedly together on a table, to be gathered up singly by a hooked instrument, without touching or disturbing the rest of the pile. See <er>Spilikin</er>.</def><-- = Sim. to pick-up-sticks (U.S. 1940+), played with thin wooden sticks of different colors, having different values for scoring, and dislodged from the pile with the hand or one of the sticks -->
<h1>Jackwood</h1> <Xpage=795>
<hw>Jack"wood`</hw> <tt>(?)</tt>, <tt>n.</tt> <def>Wood of the jack (<spn>Artocarpus integrifolia</spn>), used in cabinetwork.</def>
<h1>Jacob</h1> <Xpage=795>
<hw>Ja"cob</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>Jacob</ets>. See 2d <er>Jack</er>.]</ety> <def>A Hebrew patriarch (son of Isaac, and ancestor of the Jews), who in a vision saw a ladder reaching up to heaven (<i>Gen. xxviii. 12</i>); -- also called <altname>Israel</altname>.</def>
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