From The Collaborative International Dictionary of English v.0.48 [gcide]:
Volunteer \Vol`un*teer"\, a.
Of or pertaining to a volunteer or volunteers; consisting of
volunteers; voluntary; as, volunteer companies; volunteer
advice.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Volunteer \Vol`un*teer"\, v. t. [imp. & p. p. Volunteered; p.
pr. & vb. n. Volunteering.]
To offer or bestow voluntarily, or without solicitation or
compulsion; as, to volunteer one's services.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Volunteer \Vol`un*teer"\, v. i.
To enter into, or offer for, any service of one's own free
will, without solicitation or compulsion; as, he volunteered
in that undertaking.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Volunteer \Vol`un*teer"\, n. [F. volontaire. See Voluntary,
a.]
1. One who enters into, or offers for, any service of his own
free will.
[1913 Webster]
2. (Mil.) One who enters into service voluntarily, but who,
when in service, is subject to discipline and regulations
like other soldiers; -- opposed to conscript;
specifically, a voluntary member of the organized militia
of a country as distinguished from the standing army.
[1913 Webster]
3. (Law) A grantee in a voluntary conveyance; one to whom a
conveyance is made without valuable consideration; a
party, other than a wife or child of the grantor, to whom,
or for whose benefit, a voluntary conveyance is made.
--Burrill.
[1913 Webster]
4. A plant, especially a flowering plant in a garden, that
appears spontaneously without having been intentionally
planted.
[RDH]
From WordNet (r) 3.0 (2006) [wn]:
volunteer
adj 1: without payment; "the soup kitchen was run primarily by
unpaid helpers"; "a volunteer fire department" [syn:
unpaid, {volunteer(a)}]
n 1: (military) a person who freely enlists for service [syn:
volunteer, military volunteer, voluntary] [ant:
conscript, draftee, inductee]
2: a person who performs voluntary work [syn: volunteer,
unpaid worker]
3: a native or resident of Tennessee [syn: Tennessean,
Volunteer]
v 1: tell voluntarily; "He volunteered the information"
2: agree freely; "She volunteered to drive the old lady home";
"I offered to help with the dishes but the hostess would not
hear of it" [syn: volunteer, offer]
3: do volunteer work