Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb pen_up

1 sense of pen up

Sense 1
pen up, fold -- (confine in a fold, like sheep)
       => restrain, confine, hold -- (to close within bounds, limit or hold back from movement; "This holds the local until the express passengers change trains"; "About a dozen animals were held inside the stockade"; "The illegal immigrants were held at a detention center"; "The terrorists held the journalists for ransom")