set (a series of, a group of) / train / train (line of connected cars or carriages) / thingy; thingummy / Ellipsis of trem de aterragem.

(Brazil, rail transport) bullet train (high-speed train, especially the type used in Japan)

(rail transport, Brazil) railway station (place where trains stop)

plural of estação de trem

(Portugal, aviation) landing gear, undercarriage

trema, a diacritic (¨)

inflection of tremar:
/ inflection of tremar:

inflection of tremer:
/ inflection of tremer:

(music) tremolo (rapid repetition of the same note)

tremor / agitation