Part 6053

<hw>In"vo*lu`cre</hw> <tt>(?; 277)</tt>, <tt>n.</tt> <ety>[L. <ets>involucrum</ets> a covering, wrapper, fr. <ets>involvere</ets> to wrap up, envelop: cf. F. <ets>involucre</ets>. See <er>Involve</er>.]</ety> <fld>(Bot.)</fld> <sd>(a)</sd> <def>A whorl or set of bracts around a flower, umbel, or head.</def> <sd>(b)</sd> <def>A continuous marginal covering of sporangia, in certain ferns, as in the common brake, or the cup-shaped processes of the filmy ferns.</def> <sd>(c)</sd> <def>The peridium or volva of certain fungi. Called also <altname>involucrum</altname>.</def>

<h1>Involucred</h1> <Xpage=786>

<hw>In"vo*lu`cred</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Bot.)</fld> <def>Having an involucre, as umbels, heads, etc.</def>

<i>Martyn.</i>

<h1>Involucret</h1> <Xpage=786>

<hw>In`vo*lu"cret</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Bot.)</fld> <def>An involucel.</def>

<h1>Involucrum</h1> <Xpage=786>

<hw>In`vo*lu"crum</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. L. <plw>Involucra</plw> <tt>(#)</tt>, E. <plw>Involucrums</plw> <tt>(#)</tt></plu>. <ety>[L. See <er>Involucre</er>.]</ety>

<p><b>1.</b> <fld>(Bot.)</fld> <def>See <er>Involucre</er>.</def>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <def>A sheath which surrounds the base of the lasso cells in the Siphonophora.</def>

<h1>Involuntarily</h1> <Xpage=786>

<hw>In*vol"un*ta*ri*ly</hw> <tt>(?)</tt>, <tt>adv.</tt> <ety>[From <er>Involuntary</er>.]</ety> <def>In an involuntary manner; not voluntarily; not intentionally or willingly.</def>

<h1>Involuntariness</h1> <Xpage=786>

<hw>In*vol"un*ta*ri*ness</hw> <tt>(?)</tt>, <tt>n.</tt> <def>The quality or state of being involuntary; unwillingness; automatism.</def>

<h1>Involuntary</h1> <Xpage=786>

<hw>In*vol"un*ta*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>involuntarius</ets>. See <er>In-</er> not, and <er>Voluntary</er>.]</ety>

<p><b>1.</b> <def>Not having will of the power of choice.</def>

<p><b>2.</b> <def>Not under the influence or control of the will; not voluntary; <as>as, the <ex>involuntary</ex> movements of the body; <ex>involuntary</ex> muscle fibers.</as></def>

<p><b>3.</b> <def>Not proceeding from choice; done unwillingly; reluctant; compulsory; <as>as, <ex>involuntary</ex> submission</as>.</def>

<h1>Involute, Involuted</h1> <Xpage=786>

<hw><hw>In"vo*lute</hw> <tt>(?)</tt>, <hw>In"vo*lu`ted</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[L. <ets>involutus</ets>, p. p. of <ets>involvere</ets>. See <er>Involve</er>.]</ety>

<p><b>1.</b> <fld>(Bot.)</fld> <def>Rolled inward from the edges; -- said of leaves in vernation, or of the petals of flowers in \'91stivation.</def>

<i>Gray.</i>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <sd>(a)</sd> <def>Turned inward at the margin, as the exterior lip of the Cyprea.</def> <sd>(b)</sd> <def>Rolled inward spirally.</def>

<h1>Involute</h1> <Xpage=786>

<hw>In"vo*lute</hw>, <tt>n.</tt> <fld>(Geom.)</fld> <def>A curve traced by the end of a string wound upon another curve, or unwound from it; -- called also <altname>evolvent</altname>. See <er>Evolute</er>.</def>

<h1>Involution</h1> <Xpage=786>

<hw>In`vo*lu"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>involutio</ets>: cf. F. <ets>involution</ets>. See <er>Involve</er>.]</ety>