1charm 
/ˈtʃɑɚm/ noun
plural charms /ˈtʃɑɚm/ noun 1 [count] : something that is believed to have magic powers and especially to prevent bad luck
▪ He keeps a horseshoe as a good luck charm. 2 [count] : a small object that is worn on a chain or bracelet
▪ a gold charm ▪ a charm bracelet — see color picture 3 : a quality that causes someone or something to be very likeable : an attractive quality [count] ▪ He fell under the spell of her charms. ▪ The resort has many charms. ▪ The inn has a quaint charm. [noncount] ▪ The island possesses great charm. ▪ The new curtains add charm to the room. ▪ The seaside location is a big part of the house's charm. ▪ He won her over with his charm.
▪ He keeps a horseshoe as a good luck charm.
▪ a gold charm ▪ a charm bracelet — see color picture
the third time is the charm — see 1third
work like a charm
: to produce a desired result very easily and effectively : to work very well
▪ The cleaning fluid worked like a charm on the carpet stain.
▪ The cleaning fluid worked like a charm on the carpet stain.
— charm·less adjective [more charmless; most charmless]
▪ The new building is completely charmless. [=unattractive]
▪ The new building is completely charmless. [=unattractive]
