а> запирать, заключать (в небольшом помещении); When all the cattle are safely penned up, we can stop work for the day. How long have you been penned up in the house by your illness? б> контролировать (обычно свои чувства); His anger had been pent up for so long that at last he exploded.
PEN UP
Англо-русский перевод PEN UP
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012