the connivent petals of a flower, wings of an insect, or folds of membrane in the human system, etc.

He still feeds fools on flap-doodle, and many of them have large and flourishing families, who will perpetuate the breed to the remotest generation.

[…] magnifying the sound by the polyphonisms or repercussions of the rocks, caverns, and other phonocamptic objects below in the mount.

Eucalypts with a mallee growth form can also be found in areas wetter than those already considered and where single-stemmed eucalypts predominate. This occurs in a variety of unfavourable habitats, either by normally single-stemmed eucalypts assuming a mallee habit (e.g., E. baxteri) or by the occurrence of distinct wet-country mallees of restricted distribution specific to such habitats.