ESTIVA'TION, noun [Latin oestivatio, from oestas, summer, oestivo, to pass the summer.] 1. The act of passing the summer. 2. In botany, the disposition of the petals within the floral gem or bud; Latin convolute, when the petals are rolled together like a scroll; 2. imbricate, when they lie over each other like tiles on a roof; 3. conduplicate, when they are doubled together at the midrib; 4. valvate, when as they are about to expand they are placed like the glumes in grasses.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI