"Estivation" is a word in ENGLISH

Of or belonging to the summer; as, aestival diseases.

To pass the summer in a state of torpor.

To spend the summer.

The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration.

The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

Folded lengthwise along the midrib, the upper face being within; -- said of leaves or petals in vernation or aestivation.

Arranged so as to overlap each other; as, petals in contorted or convolute aestivation.

Rolled or wound together, one part upon another; -- said of the leaves of plants in aestivation.

A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, …

Lying over each other in regular order, so as to \"break joints,\" like tiles or shingles on a roof, the …

Having the edges bent abruptly toward the axis; -- said of the parts of the calyx or corolla in aestivation.

Having induplicate sepals or petals in aestivation.

Rolled inward from the edges; -- said of leaves in vernation, or of the petals of flowers in aestivation.

Aestivation.

Having the leaves of a pentamerous calyx or corolla so imbricated that two are exterior, two are interior, and the …

A quincuncial arrangement, as of the parts of a flower in aestivation. See Quincuncial, 2.

Meeting at the edges without overlapping; -- said of the sepals or the petals of flowers in aestivation, and of …