trying to zero in on an insect
It used holes punched in pasteboard, each row of which corresponds to one row of the design. Multiple rows of holes are punched on each card and the many cards that compose the design of the textile are strung together in order.
1millimetre
round
A homograph to "row" is "row." This word can have multiple meanings such as a line of objects or people, or to propel a boat using oars.
Ormer
recorder
abalone
Beetles breathe through a row of little holes in their sides, called tracheae.
recorder
There is no specific collective noun for 'holes'. However, a collective noun suitable for the situation will work, for example:a series of holesa row of holesa field of holesa chain of holesa cluster of holes
It's the little row of tiny holes that are between the stamps, making it easier to separate them.
11 The rest of the answers are from &%#$holes.