To take (something) as a souvenir, especially illicitly, for example during wartime.
An item of sentimental value, that is given or kept to remember an event or location.
To secretively steal (an item or money) for personal use.
To put (money) into one's trouser pocket; to pocket.
To take and keep (something, especially money, that is not one's own); to pocket.
A pair of trousers.
Of or relating to trousers.