lime

a caustic substance produced by heating limestone

a white crystalline oxide used in the production of calcium hydroxide

a sticky adhesive that is smeared on small branches to capture small birds

any of various related trees bearing limes

any of various deciduous trees of the genus Tilia with heart-shaped leaves and drooping cymose clusters of yellowish often fragrant flowers; several yield valuable timber

the green acidic fruit of any of various lime trees

spread birdlime on branches to catch birds

cover with lime so as to induce growth; "lime the lawn"