the point of entering the fort, city etc., the point of the road through which people go to some other side

draw rein, stop one's horse

toll post, toll gate

eye of a needle

stop breathing, hold the breath

capture one's ground

hold one's breath

bar, knock-off, obstruct, obviate

close or obstruct a path, stop (someone) on the road

to bar or close the way (of), to stop, to close or block up a road or way, to molest (travellers)

prevent, withhold, keep back, desist (from), refrain (from)