Marrow squash Meaning, Definition & Usage

  1. noun any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh
    vegetable marrow; marrow.

WordNet

Definitions
  1. (Bot.), a name given to several varieties of squash, esp. to the Boston marrow, an ovoid fruit, pointed at both ends, and with reddish yellow flesh, and to the vegetable marrow, a variety of an ovoid form, and having a soft texture and fine grain resembling marrow.

Webster 1913