ضَحْكَةٌ

1.
A single act of ضَحِك [or laughing; i. e. a laugh]. (S, O.)
2.
[The plural] ضَحْكَاتٌ signifies (tropical:) The best of everything: and ضَحْكَاتُ القُلُوبِ, the best of possessions, or wealth, and of children: so says Aboo-Sa'eed. (TA.)

Perseus ID: n25596