Sentence:  “It's not lunch time or dinner time,” she said. It was almost four o'clock. “Have you eaten lunch?” She shook her head no. “Do you have plans for dinner?” Again. No. “Good. We'll have <WSD>lupper</WSD>.” “Lupper?” “Lunch and supper. ... 
Meaning of the word marked with <WSD> tags:  A meal or snack eaten between the normal times for lunch and supper.