Wiktionary
a. Resembling a trumpet or its sound.
Usage examples of "trumpetlike".
The cactus was in bloom and its vast white trumpetlike flowers emitted a sickly sweet perfume, overpoweringly intense.
Red toadstools towered over my head, puff-balls dusted me with yellow spores, trumpetlike chanterelles dripped water from their cups, clusters of pin-head mushrooms glowed white like corpses.
The two-meter fronded antennas slowly unfolded, while the twin yellow trumpetlike horns below them turned to take in the scene ahead.
As if proud of their ingenuity, the Germans heralded the new onslaught with another of those trumpetlike blasts that seemed to come from everywhere and nowhere at the same time.
Tremaine could just make out two trumpetlike projections mounted on the first smokestack.
Jack plucked a grass stem, held it in his cupped hands, and blew a trumpetlike high note.
Yabrant asked, snaking out a tentacle that sported a mouth and a trumpetlike ear to better converse.