to hold between the thumb and fingers / to pinch / to mold (using the fingers) / to hold (lit. in one's hand and fig.) / to join together / to fabricate (a story, a report, etc)
to amass / to accumulate / to store / measured quantity (such as area of volume) / product (the result of multiplication) / to integrate (math.) / to solve (or integrate) an ordinary differential equation (math.) / old / long-standing