1.Definition: a period of indeterminate length (usually short) marked by some action or condition
"He was here for a little while", "I need to rest for a piece", "A spell of good weather", "A patch of bad weather"
Related Noun(s):patch, piece, while
3.Definition: a time period for working (after which you will be relieved by someone else)
"It's my go", "A spell of work"
Related Noun(s):go, tour, turn
4.Definition: a verbal formula believed to have magical force
"He whispered a spell as he moved his hands", "Inscribed around its base is a charm in Balinese"