| aestivation | 1. <zoology> The state of torpidity induced by the heat and dryness of summer, as in certain snails; opposed to hibernation. 2. <botany> The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration. [Spelt also estivation. Source: Websters Dictionary (01 Mar 1998) |
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