(a part of) a tool used for boring or drilling holes

tiny piece

a drop of liquid e.g. plant, colour

drop, spot

a ball formed of liquid and containing air or gas, e.g. one that forms in boiling water

globule of air

small round mark (as over the letter i and j)

tiny mark, drop

a very small amount (of liquid)

globule

a note with half the value of a semibreve

bit