tunnel
/ˈtʌn(ə)l/ verb C2- To make a tunnel through or under something; to burrow.
- To dig a tunnel.
- To transmit something through a tunnel (wrapper for an insecure or unsupported protocol).
- To insert a catheter into a vein to allow long-term use.
- To undergo the quantum-mechanical phenomenon where a particle penetrates through a barrier that it classically cannot surmount.
He/she/it tunnels · Past tunneled · Past participle tunneled · -ing form tunneling
Verb forms
- Base form
- tunnel
- He/she/it
- tunnels
- Past
- tunneled
- Past participle
- tunneled
- -ing form
- tunneling
From the library
The rabbit-hole went straight on like a tunnel for some way, and then dipped suddenly down, so suddenly that Alice had not a moment to think about stopping herself before she found herself falling down a very deep well.
I could think of nothing save that he was running a tunnel to some other building.
Jabez Wilson’s presence—in other words, that they had completed their tunnel.
It was lying wide of the metals upon the left hand of the track as one goes eastward, at a point close to the station, where the line emerges from the tunnel in which it runs.
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