Melt (verb)

1. To change from a solid state to a liquid state as a result of being heated.
2. To cause to change from a solid state to a liquid state.
3. To dissolve or disappear gradually or completely.
4. To become or cause to become emotional and tender.

Origin:

Middle english melten, from old english meltan, from proto-germanic *meltaną, from proto-indo-european *meld- 'to melt'.

Examples:

1. The sun was so hot that the ice cream began to melt.
2. He put the metal into the forge to melt it down.
3. The snow on the roof began to melt in the sun.
4. Her heart melted when she saw the stray kitten.
5. The candle wax was melting and running down the sides.