To grope; to explore an area with one's hands, usually in search of something.
To gather information sneakily; to seek out information without revealing that one is looking for it.
To search (for something).
To look sullen or sad; scowl, frown.
To look (at), to stare (at).
To grasp or snatch (at), usually feebly or ineffectually; to grope (at) with the hands, as in the dark.