(1):

(v. t.) To handle or manage awkwardly; to crowd or tumble together.

(2):

(v. i.) To handle much; to play childishly; to turn over and over.

(3):

(v. i.) To feel or grope about; to make awkward attempts to do or find something.

(4):

(v. i.) To grope about in perplexity; to seek awkwardly; as, to fumble for an excuse.