Wiktionary
vb. 1 (context transitive English) To repress. 2 (context transitive English) To restrain or control (a sound). 3 (context transitive English) To cause not to increase or rise. 4 (context transitive English) Not to vomit. 5 (context intransitive English) To lie low. To stay concealed by not standing up
WordNet
v. place a limit on the number of [syn: number]
put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land" [syn: repress, quash, subdue, subjugate, reduce]
manage not to throw up [ant: vomit]
Usage examples of "keep down".
You got two hot meals under your belt, two hot meals that you were able to keep down.
Foodwise I had gotten her to where she could keep down small amounts of lightly browned chicken flesh.
Catherine stood still as if stupefied by his conduct, and pressed her hand against her heart to keep down the force of her emotions.
These sent Annemarie running for the ladies' room, unable even for a moment longer to keep down her gorge.
Every minute leaning out of the window, which he would keep down, to the great disgust of his fellow-travelers, he lost nothing of the views to the right.
All the towns and cities in the Impire had gnomes to keep down the vermin and deal with the garbage, and all large ships carried one or two, but there had been none in Krasnegar.
Only the conqueror is to take special care they grow not too strong, nor be entrusted with too much authority, and then he can easily with his own forces and their assistance keep down the greatness of his neighbours, and make himself absolute arbiter in that province.
They had no desire to keep down his proper expansion, and he wouldn't be less to their purpose for not looking, as he had too often done of old, only bold and wild.
Once a tipping-point of reduced population was reached the native wildlife was impossible to keep down.
She stopped for drink and food, but it was all she could do to nibble at a fig and keep down a mouthful of water.