Part 655

<hw>Ar"row*wood`</hw> <tt>(#)</tt>, <tt>n.</tt> <def>A shrub <spn>(Viburnum dentatum)</spn> growing in damp woods and thickets; -- so called from the long, straight, slender shoots.</def>

<h1>Arrowworm</h1> <Xpage=84>

<hw>Ar"row*worm`</hw>, <tt>n.</tt> <fld>(Zo\'94l.)</fld> <def>A peculiar transparent worm of the genus <spn>Sagitta</spn>, living at the surface of the sea. See <er>Sagitta</er>.</def>

<h1>Arrowy</h1> <Xpage=84>

<hw>Ar"row*y</hw> <tt>(#)</tt>, <tt>a.</tt> <p><b>1.</b> <def>Consisting of arrows.</def>

<blockquote>How quick they wheeled, and flying, behind them shot Sharp sleet of <b>arrowy</b> showers. <i>Milton.</i></blockquote>

<p><b>2.</b> <def>Formed or moving like, or in any respect resembling, an arrow; swift; darting; piercing.</def> "His <i>arrowy</i> tongue."

<i>Cowper.</i>

<blockquote>By the blue rushing of the <b>arrowy</b> Rhone. <i>Byron.</i></blockquote>

<blockquote>With <b>arrowy</b> vitalities, vivacities, and ingenuities. <i>Carlyle.</i></blockquote>

<h1>Arroyo</h1> <Xpage=84>

<hw>Ar*roy"o</hw> <tt>(#)</tt>, <tt>n.</tt>; <plu>pl <plw>Arroyos</plw> <tt>(#)</tt></plu>. <ety>[Sp., fr. LL. <ets>arrogium</ets>; cf. Gr. <?/ river, stream, fr. <?/ to flow.]</ety> <p><b>1.</b> <def>A water course; a rivulet.</def>

<p><b>2.</b> <def>The dry bed of a small stream.</def> <mark>[Western U. S.]</mark>

<h1>Arschin</h1> <Xpage=84>

<hw>Ar"schin</hw> <tt>(#)</tt>, <tt>n.</tt> <def>See <er>Arshine</er>.</def>

<h1>Arse</h1> <Xpage=84>

<hw>Arse</hw>, <tt>n.</tt> <ety>[AS. <ets>ears</ets>; <ets>\'91rs</ets>; akin to OHG. <ets>ars</ets>. G. <ets>arsch</ets>, D. <ets>aars</ets>, Sw. <ets>ars</ets>, Dan. <ets>arts</ets>, Gr. <?/ (cf. <?/ tail).]</ety> <def>The buttocks, or hind part of an animal; the posteriors; the fundament; the bottom.</def>

<h1>Arsenal</h1> <Xpage=84>

<hw>Ar"se*nal</hw>, <tt>n.</tt> <ety>[Sp. & F. <ets>arsenal</ets> arsenal, dockyard, or It. <ets>arzanale</ets>, <ets>arsenale</ets> (cf. It. & <ets>darsena</ets> dock); all fr. Ar. <ets>d\'ber<?/in\'be'a</ets> house of industry or fabrication; <ets>d\'ber</ets> house + <ets><?/in\'be</ets> art, industry.]</ety> <def>A public establishment for the storage, or for the manufacture and storage, of arms and all military equipments, whether for land or naval service.</def>

<h1>Arsenate</h1> <Xpage=84>

<hw>Ar"se*nate</hw> <tt>(#)</tt>, <tt>n.</tt> <fld>(Chem.)</fld> <def>A salt of arsenic acid.</def>

<h1>Arseniate</h1> <Xpage=84>

<hw>Ar*se"ni*ate</hw>, <tt>n.</tt> <def>See <er>Arsenate</er>.</def> <mark>[R.]</mark>

<h1>Arsenic</h1> <Xpage=84>

<hw>Ar"se*nic</hw> <tt>(?; 277)</tt>, <tt>n.</tt> <ety>[L. <ets>arsenicum</ets>, Gr. <?/, <?/, yellow orpiment, perh. fr. <?/ or better Attic <?/ masculine, <?/ male, on account of its strength, or fr. Per. <ets>zern\'c6kh</ets>: cf. F. <ets>arsenic</ets>.]</ety> <p><b>1.</b> <fld>(Chem.)</fld> <def>One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356&deg; Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true <i>arsenticum</i> of the ancients. The element and its compounds are active poisons. Specific gravity from 5.7 to 5.9. Atomic weight. Symbol As.</def>

<p><b>2.</b> <fld>(Com.)</fld> <def>Arsenious oxide or arsenious anhydride; -- called also <altname>arsenious acid</altname>, <altname>white arsenic</altname>, and <altname>ratsbane</altname>.</def>

<h1>Arsenic</h1> <Xpage=84>

<hw>Ar*sen"ic</hw>, <tt>a.</tt> <fld>(Chem.)</fld> <def>Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; <as>as, <ex>arsenic</ex> acid</as>.</def>