touch, tap / ring (of a phone) / ringtone (of a mobile phone) / stroke / detail, touch (distinguishing feature or characteristic) / a small quantity / advice or warning

inflection of tocar:
/ inflection of tocar:

(Portugal, colloquial, idiomatic) to call a mobile phone and let it ring once so that the other person will call back and save the first caller money, or so the other person can more easily save the first person's number to their phone's memory / (colloquial, idiomatic) to contact someone informally, especially by phone; to give a call

(idiomatic) Midas touch (ability to gain success from one’s actions)

curfew (a regulation requiring people to be off the streets and in their homes by a certain time) / curfew (a signal indicating this time)

touchstone (a stone used to test the quality of precious metals) / touchstone (a standard of comparison or evaluation)

A municipality of Rio Grande do Sul, Brazil

plural of pedra de toque

(figurative) hastily (lit. 'to the sound of a snare drum')

second-person singular present subjunctive of tocar