Synonyms: while, patch, piece, spell
Definition: a period of indeterminate length (usually short) marked by some action or condition
Usage: he was here for a little while; I need to rest for a piece; a spell of good weather; a patch of bad weather
Similar words: time
Definition: an indefinite period (usually marked by specific attributes or activities)
Usage: he waited a long time; the time of year for planting; he was a great actor in his time