1sit·ting 
/ˈsɪtɪŋ/ noun
plural sit·tings /ˈsɪtɪŋ/ noun [count] 1 : a period of time during which someone sits and does a particular activity
▪ I got through the book in one sitting. 2 : a period of time when a person poses for a portrait or photograph
▪ He finished the portrait in one sitting. 3 : a time when a meal is served to a number of people at the same time
▪ We'll eat at the second sitting. ▪ We have reservations for the 5:30 sitting. 4 : a formal meeting of a court of law, a legislature, etc.
▪ a sitting of the legislature
▪ I got through the book in one sitting.
▪ He finished the portrait in one sitting.
▪ We'll eat at the second sitting. ▪ We have reservations for the 5:30 sitting.
▪ a sitting of the legislature
