Part 601

<h1>Arbor vine</h1> <Xpage=77>

<hw>Ar"bor vine`</hw> <tt>(#)</tt>. <def>A species of bindweed.</def>

<-- note no *pos* in this def, in original --> <h1>Arbor vit\'91</h1> <Xpage=77>

<hw>Ar"bor vi"t\'91</hw> <tt>(#)</tt>. <ety>[L., tree of life.]</ety> <p><b>1.</b> <fld>(Bot.)</fld> <def>An evergreen tree of the cypress tribe, genus <spn>Thuja</spn>. The American species is the <spn>T. occidentalis</spn>.</def>

<p><b>2.</b> <fld>(Anat.)</fld> <def>The treelike disposition of the gray and white nerve tissues in the cerebellum, as seen in a vertical section.</def>

<h1>Arbuscle</h1> <Xpage=77>

<hw>Ar"bus*cle</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[L. <ets>arbuscula</ets> small tree, shrub, dim. of <ets>arbor</ets> tree.]</ety> <def>A dwarf tree, one in size between a shrub and a tree; a treelike shrub.</def>

<i>Bradley.</i>

<h1>Arbuscular</h1> <Xpage=77>

<hw>Ar*bus"cu*lar</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Of or pertaining to a dwarf tree; shrublike.</def>

<i>Da Costa.</i>

<h1>Arbustive</h1> <Xpage=77>

<hw>Ar*bus"tive</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[L. <ets>arbustivus</ets>, fr. <ets>arbustum</ets> place where trees are planted.]</ety> <def>Containing copses of trees or shrubs; covered with shrubs.</def>

<i>Bartram.</i>

<h1>Arbutus, Arbute</h1> <Xpage=77>

<hw><hw>Ar"bu*tus</hw> <tt>(#)</tt>, <hw>Ar"bute</hw> <tt>(#)</tt>,<hw> <tt>n.</tt> <ety>[L. <ets>arbutus</ets>, akin to <ets>arbor</ets> tree.]</ety> <def>The strawberry tree, a genus of evergreen shrubs, of the Heath family. It has a berry externally resembling the strawberry; the arbute tree.</def>

<cs><col>Trailing arbutus</col> <fld>(Bot.)</fld>, <cd>a creeping or trailing plant of the Heath family <spn>(Epig\'91a repens)</spn>, having white or usually rose-colored flowers with a delicate fragrance, growing in small axillary clusters, and appearing early in the spring; in New England known as <altname>mayflower</altname>; -- called also <altname>ground laurel</altname>.</cd></cs>

<i>Gray.</i>

<h1>Arc</h1> <Xpage=77>

<hw>Arc</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[F. <ets>arc</ets>, L. <ets>arcus</ets> bow, arc. See <er>Arch</er>, <tt>n.</tt>]</ety> <p><b>1.</b> <fld>(Geom.)</fld> <def>A portion of a curved line; <as>as, the <ex>arc</ex> of a circle or of an ellipse</as>.</def>

<p><b>2.</b> <def>A curvature in the shape of a circular arc or an arch; <as>as, the colored <ex>arc</ex> (the rainbow); the <ex>arc</ex> of Hadley's quadrant.</as></def>

<p><b>3.</b> <def>An arch.</def> <mark>[Obs.]</mark>

<blockquote>Statues and trophies, and triumphal <b>arcs</b>. <i>Milton.</i></blockquote>

<p><b>4.</b> <def>The apparent arc described, above or below the horizon, by the sun or other celestial body. The <i>diurnal arc</i> is described during the daytime, the <i>nocturnal arc</i> during the night.</def>

<cs><mcol><col>Electric arc</col>, <col>Voltaic arc</col></mcol>. <cd>See under <er>Voltaic</er>.</cd></cs>

<h1>Arcade</h1> <Xpage=77>

<hw>Ar*cade"</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[F. <ets>arcade</ets>, Sp. <ets>arcada</ets>, LL. <ets>arcata</ets>, fr. L. <ets>arcus</ets> bow, arch.]</ety> <p><b>1.</b> <fld>(Arch.)</fld> <sd>(a)</sd> <def>A series of arches with the columns or piers which support them, the spandrels above, and other necessary appurtenances; sometimes open, serving as an entrance or to give light; sometimes closed at the back (as in the cut) and forming a decorative feature.</def> <sd>(b)</sd> <def>A long, arched building or gallery.</def>

<p><b>2.</b> <def>An arched or covered passageway or avenue.</def>