concavely

Rotational slide: This is a slide in which the surface of rupture is curved concavely upward and the slide movement is roughly rotational about an axis that is parallel to the ground surface and transverse across the slide (Figure 3A).

Landslide 2007

For man bends his legs convexly, a bird has his bent concavely; again, man bends his arms and legs in opposite directions, for he has his arms bent convexly, but his legs concavely.

On the Gait of Animals 2002

For man bends his legs convexly, a bird has his bent concavely; again, man bends his arms and legs in opposite directions, for he has his arms bent convexly, but his legs concavely.

On the Gait of Animals 2002

For he bends his arms concavely and his legs convexly.

On the Gait of Animals 2002

For he bends his arms concavely and his legs convexly.

On the Gait of Animals 2002

To make bamboo roofing, the hollow canes are split longitudinally, and, after the webbed joints inside have been cut away, they are laid on the bamboo frame-work, and fit into each other, the one convexly, the next one concavely, and so on alternately.

The Philippine Islands John Foreman

The top of the cliff was close over their heads, and behind them was a natural grotto scooped concavely out of the solid rock.

The River of Darkness, or, Under Africa William Murray Graydon 1905

He stood on the hearthrug, with his back to the hearth, bending his body concavely and then convexly with the idle easy sinuousness of youth, and he saw that it was wonderful.

Clayhanger Arnold Bennett 1899

_Only_, in this case, the surface of the sea seems to rise from the beach below towards the distant horizon convexly not concavely; the reason of which I take to be this, that the waves, and especially long rollers or uniform large ripples, teach the eye to form true conceptions of the shape of the sea-surface even when the eye is deceived as to the position of the sea-horizon.

Myths and Marvels of Astronomy 1862

This species is at once known from Chelodina longicollis by the form of its high, flat sternum, which is strongly keeled on the sides, and by this part being of a uniform reddish colour, without any dark margin to the plates; the hinder part of the sternum is only slightly concavely truncated, and not deeply notched.

Journals of Two Expeditions of Discovery in North-West and Western Australia, Volume 2 George Grey 1855