The Collaborative International Dictionary
needleful
needleful \nee"dle*ful\, n.; pl. needlefuls. As much thread as is used in a needle at one time.
Wiktionary
needleful
n. As much thread as is put into a needle at one time
Usage examples of "needleful".
They'd stuck him with a needleful of cold darkness, and he'd woken up in this stultifying cubicle, trussed to a chair and aching, unable to speak.