Part 5050

<h1>Gyrant</h1> <Xpage=661>

<hw>Gy"rant</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Gyrating.</def> <mark>[R.]</mark>

<h1>Gyrate</h1> <Xpage=661>

<hw>Gy"rate</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>gyratus</ets> made in a circular form, p. p. of <ets>gyrare</ets>.]</ety> <def>Winding or coiled round; curved into a circle; taking a circular course.</def>

<h1>Gyrate</h1> <Xpage=661>

<hw>Gy"rate</hw> <tt>(?)</tt>, <tt>v. i.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Gyrated</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Gyrating</er>.]</wordforms> <ety>[L. <ets>gyratus</ets>, p. p. of <ets>gyrare</ets> to <ets>gyrate</ets>. See <er>Gyre</er>, <tt>n.</tt>]</ety> <def>To revolve round a central point; to move spirally about an axis, as a tornado; to revolve.</def>

<h1>Gyration</h1> <Xpage=661>

<hw>Gy*ra"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <p><b>1.</b> <def>The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.</def>

<blockquote>The <b>gyrations</b> of an ascending balloon. <i>De Quincey.</i></blockquote>

<blockquote>If a burning coal be nimbly moved round in a circle, with <b>gyrations</b> continually repeated, the whole circle will appear like fire. <i>Sir I. Newton. </i></blockquote>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <def>One of the whorls of a spiral univalve shell.</def>

<cs><col>Center of gyration</col>. <fld>(Mech.)</fld> <cd>See under <er>Center</er>.</cd> -- <col>Radius of gyration</col><cd> the distance between the axis of a rotating body and its center of gyration. <i>Rankine</i>.</cd></cs>

<h1>Gyratory</h1> <Xpage=661>

<hw>Gy"ra*to*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Moving in a circle, or spirally; revolving; whirling around.</def>

<h1>Gyre</h1> <Xpage=661>

<hw>Gyre</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>gyrus</ets>, Gr. <?/, cf. <?/ round.]</ety> <def>A circular motion, or a circle described by a moving body; a turn or revolution; a circuit.</def>

<blockquote>Quick and more quick he spins in giddy <b>gyres</b>. <i>Dryden.</i></blockquote>

<blockquote>Still expanding and ascending <b>gyres</b>. <i>Mrs. Browning. </i></blockquote>

<h1>Gyre</h1> <Xpage=661>

<hw>Gyre</hw>, <tt>v. t. & i.</tt> <ety>[Cf. OF. <ets>gyrer</ets>, <ets>girer</ets>. See <er>Gyrate</er>.]</ety> <def>To turn round; to gyrate.</def> <mark>[Obs.]</mark>

<i>Bp. Hall. Drayton. </i>

<h1>Gyreful</h1> <Xpage=661>

<hw>Gyre"ful</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Abounding in gyres.</def> <mark>[Obs.]</mark>

<h1>Gyrencephala</h1> <Xpage=661>

<hw>Gyr"en*ceph`a*la</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL. fr. Gr. <?/ round+ <?/ the brain.]</ety> <fld>(Zo\'94l.)</fld> <def>The higher orders of Mammalia, in which the cerebrum is convoluted.</def> -- <wordforms><wf>Gyr"en*ceph"a*lous</wf> <tt>(#)</tt>, <tt>a.</tt></wordforms>

<h1>Gyrfalcon</h1> <Xpage=661>

<hw>Gyr"fal`con</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[OE. <ets>gerfaucon</ets>, OF. <ets>gerfaucon</ets>, LL. <ets>gyrofalco</ets>, perh. fr. L. <ets>gyrus</ets> circle + falco <ets>falcon</ets>, and named from its circling flight; or cf. E. gier-eagle. See <er>Gyre</er>, <tt>n.</tt>, <er>Falcon</er>.]</ety> <fld>(Zo\'94l.)</fld> <def>One of several species and varieties of large Arctic falcons, esp. <spn>Falco rusticolus</spn> and the white species <spn>F. Islandicus</spn>, both of which are circumpolar. The black and the gray are varieties of the former. See Illust. of <er>Accipiter</er>.</def> <altsp>[Written also <asp>gerfalcon</asp>, <asp>gierfalcon</asp>, and <asp>jerfalcon</asp>.]</altsp>

<h1>Gyri</h1> <Xpage=661>