The noun blessing has 5 senses (first 1 from tagged texts)
1. (1) blessing, approval, approving -- (the formal act of approving; "he gave the project his blessing"; "his decision merited the approval of any sensible person")
2. blessing, boon -- (a desirable state; "enjoy the blessings of peace"; "a spanking breeze is a boon to sailors")
3. grace, blessing, thanksgiving -- (a short prayer of thanks before a meal)
4. benediction, blessing -- (a ceremonial prayer invoking divine protection)
5. blessing, benediction -- (the act of praying for divine protection)
Overview of verb bless
The verb bless has 4 senses (first 3 from tagged texts)
1. (4) bless -- (give a benediction to; "The dying man blessed his son")
2. (1) bless -- (confer prosperity or happiness on)
3. (1) bless, sign -- (make the sign of the cross over someone in order to call on God for protection; consecrate)
4. consecrate, bless, hallow, sanctify -- (render holy by means of religious rites)