English Dictionary

foam

/foʊm/

verb

(intransitive) To form or emit foam. / (intransitive) To spew saliva as foam; to foam at the mouth. / (firefighting) To coat or cover with foam.

The soap foams when you rub it.

意味（1）

(intransitive) To form or emit foam.

[…] And that is it

Hath made me rig my navy; at whose burthen

The anger'd ocean foams; with which I meant

To scourge the ingratitude that despiteful Rome

[…] And that is it Hath made me rig my navy; at whose burthen The anger'd ocean foams; with which I meant To scourge the ingratitude that despiteful Rome Cast on my noble father.

意味（2）

(intransitive) To spew saliva as foam; to foam at the mouth.

[…] to London will we march amain,

And once again bestride our foaming steeds,

And once again cry ‘Charge upon our foes!’

[…] to London will we march amain, And once again bestride our foaming steeds, And once again cry ‘Charge upon our foes!’ But never once again turn back and fly.

意味（3）

(firefighting) To coat or cover with foam.

It used to be common practice to foam the runway prior to an emergency landing, in case a fuel-fed fire occurred.