Wiktionary
a. Resembling a gate or some aspect of one.
Usage examples of "gatelike".
Leather hides covered the frame on the outside, but the entrance flap he had seen from inside was barred on the outside with a gatelike closure that could be secured shut with lashings.
Men who had been working had moved over to the entrance--a gatelike affair flanked on one side by a building and on the other by a round tank.
Johnny made a circle of the tomb vicinity, then went over and tried the gatelike outer doors of the tomb itself.
The gatelike doorway opened to our knock and I found myself in a curious house-barn interior where a cow gazed tranquilly from its stall into a tiny kitchen across the way, and where chickens roosted in surprising places.
I was compelled to come this far, but I feel nothing in terms of a specific action at the moment except that I must somehow get to a strange place that exists only in a mind picture of a great mountain out of which has been carved a massive gatelike structure that can open to let people enter its darkness.
It seemed to be a modified versionof a gatelike device he had seen sifting the asteroid in search of the original Key for the Avery robots, shortly after waking up with amnesia, and the great mining and construction devices that had been crucial to the automatic shapechanging of the city.