Noun
cleaning implement consisting of a flexible tufted wire that is used to clean a pipe stem
Source: WordNetLepidopt didn't know if he was one of those pipe smokers who always had the thing in his mouth and talked around the stem, or one of the ones who was always fiddling with it in his hands, tamping it and relighting it and shoving a pipe cleaner down it; they were different sorts of men. Tim Powers
Bend the end of the pipe cleaner to make a stem and leaf. Source: Internet
Position the loop at the base of the eraser and give the pipe cleaner another twist, if needed, to tighten the loop. Source: Internet
Hook the end around the bead to secure and gently pull pipe cleaner back down into base of egg cup. Source: Internet
Wrap plasticine modeling clay around the outside of the pipe cleaner "X" until the chromosome is completely covered in an outer shell. Source: Internet
Turn one of the hearts upside down to resemble one of the center petals of a rose bud, and use a glue dot to stick the top of a pipe cleaner stem in place, as shown. Source: Internet