from
The Collaborative International Dictionary of English v.0.48
Guardian \Guard"i*an\ (g[aum]rd"[i^]*an or g[aum]rd"yan; 106),
a.
Performing, or appropriate to, the office of a protector; as,
a guardian care.
[1913 Webster]
{Feast of Guardian Angels} (R. C. Ch.) a church festival
instituted by Pope Paul V., and celebrated on October 2d.
{Guardian angel}.
(a) The particular spiritual being believed in some branches
of the Christian church to have guardianship and
protection of each human being from birth.
(b) Hence, a protector or defender in general. --O. W.
Holmes.
{Guardian spirit}, in the belief of many pagan nations, a
spirit, often of a deceased relative or friend, that
presides over the interests of a household, a city, or a
region.
[1913 Webster]