Section 1. Definitions.?as used in this chapter the following words shall, unless the context clearly indicates otherwise, have the following meaning:?
''Agricultural land'', land suitable for agricultural or horticultural use, including land rated by the United States Department of Agriculture Soil Conservation Service as Class 1 through Class IV, unique, or of statewide or local area importance.
''Agricultural lands preservation committee'', committee established under the provisions of section eleven B of chapter one hundred and thirty-two A.
''Commissioner'', commissioner of the department of food and agriculture.
''Committee'', municipal agricultural incentive areas committee established pursuant to section two.
''Department'', the department of food and agriculture.
''Land in agricultural or horticultural use'', land which meets the requirements for such land for classification under chapter sixty-one A, whether or not such land is so classified.