Hubbard squash and Zucchini

Hubbard squash noun - Any of several winter squash plants producing large greyish-green football-shaped fruit with a rough warty rind.

Zucchini and Hubbard squash are semantically related. In some cases you can use "Zucchini" instead a noun phrase "Hubbard squash".

Zucchini noun - Marrow squash plant whose fruit are eaten when small.

Hubbard squash and zucchini are semantically related. You can use "Hubbard squash" instead a noun "Zucchini".