presilha

Etymology
Borrowed from.

Noun

 * 1) one of several objects used to bond or stick together
 * 2) cord, string, thread, or similar object, generally in the shape of a loop or flap, used to fasten, squeeze, or stretch
 * 3)   pin used to attach sheets of paper together
 * 4)  object used in the hair to hold it, interlace parts of it together and/or adorn it; hairclip