Definition of "lemony"

[…] she guided the spirited little pair along the dusty road, and then in between the long stretches of fir-wood, whence came delicious warm breathings of that lemony aromatic scent of the growing pines brought forth by the mid-day sun.

1884, George Manville Fenn, chapter 2, in The Rosery Folk‎, volume I, London: Chapman & Hall, pages 17–18

My class was wearing butter-yellow piqué dresses, and Momma launched out on mine. She smocked the yoke into tiny crisscrossing puckers, then shirred the rest of the bodice. Her dark fingers ducked in and out of the lemony cloth as she embroidered raised daisies around the hem.

1969, Maya Angelou, chapter 23, in I Know Why the Caged Bird Sings‎, New York: Bantam, published 1971, page 144

“This is the lemoniest cake I’ve ever tasted!” Delores exclaimed, and Hannah could tell that her very proper mother was dangerously close to smacking her lips in appreciation.

2012, Joanne Fluke, chapter 14, in Cinnamon Roll Murder‎, New York: Kensington, page 142