Webster's Revised Unabridged Dictionary · 1913

Charm

Charm (charm) , noun

[French charme, from Latin carmen song, verse, incantation, for casmen, akin to Sanskrit casman, casā, a laudatory song, from a root signifying to praise, to sing.]

1.
A melody; a song. [Obsolete]
With charm of earliest birds. — Milton
Free liberty to chant our charms at will. — Spenser
2.
A word or combination of words sung or spoken in the practice of magic; a magical combination of words, characters, etc.; an incantation.
My high charms work. — Shakespeare
3.
That which exerts an irresistible power to please and attract; that which fascinates; any alluring quality.
Charms strike the sight, but merit wins the soul. — Pope
The charm of beauty's powerful glance. — Milton
4.
Anything worn for its supposed efficacy to the wearer in averting ill or securing good fortune.
5.
Any small decorative object worn on the person, as a seal, a key, a silver whistle, or the like. Bunches of charms are often worn at the watch chain.
6.
(Physics) a property of certain quarks which may take the value of +1, -1 or 0.

Charm , transitive verb

[Compare French charmer. See Charm, n.]

1.
To make music upon; to tune. [Obsolete & Rare]
Here we our slender pipes may safely charm. — Spenser
2.
To subdue, control, or summon by incantation or supernatural influence; to affect by magic.
No witchcraft charm thee! — Shakespeare
3.
To subdue or overcome by some secret power, or by that which gives pleasure; to allay; to soothe.
Music the fiercest grief can charm. — Pope
4.
To attract irresistibly; to delight exceedingly; to enchant; to fascinate.
They, on their mirth and dance Intent, with jocund music charm his ear. — Milton
5.
To protect with, or make invulnerable by, spells, charms, or supernatural influences; as, a charmed life.
I, in my own woe charmed, Could not find death. — Shakespeare

Charm , intransitive verb

1.
To use magic arts or occult power; to make use of charms.
The voice of charmers, charming never so wisely. — Bible (KJV) - Psalm lviii. 5
2.
To act as, or produce the effect of, a charm; to please greatly; to be fascinating.
3.
To make a musical sound. [Obsolete] — Milton