heart-wood

He grabbed the long handle of an ax and worked the blade out of the heart-wood.

Rainwater Sandra Brown 2009

His bones turned to chalk and rubbed away in the sooty gnawing of the heart-wood around him.

Time Streams King, J. Robert 1999

I had suggested that we should try to fashion a bow with some new material other than those feeble woods that grow in our narrow riverine valley; perhaps with exotic timbers such as the heart-wood of the olive from the land of the Hittites or of the ebony from Cush; or with even stranger materials such as the horn of the rhinoceros or the ivory tusk of the elephant.

River God Smith, Wilbur, 1933- 1993

Her hair was a dark bush of tight curls, her skin was the colour of the heart-wood of the acacia, when it has been buffed and oiled to a high patina.

River God Smith, Wilbur, 1933- 1993

This stick is heated in the ashes and by twisting the end in contrary directions the heart-wood may be gradually drawn out, leaving a hollow tube.

Tobacco; Its History, Varieties, Culture, Manufacture and Commerce E. R. Billings

The bole of the trunk was 20 feet in length and of nearly uniform thickness; and the proportion of heart-wood to sap-wood was about three quarters of its diameter.

Scientific American Supplement, No. 417, December 29, 1883 Various

The heart-wood, where the cells are closed up, is the bones of the trees.

Janey Canuck in the West Emily Ferguson 1910

It is one in which the sap-wood may live long after the heart-wood is dead.

Janey Canuck in the West Emily Ferguson 1910

Only the cheesy-hearted, the warriors with maggots and grubs manufacturing punk out of heart-wood, for all the world like humans infected by evil thoughts, only the hollow hearted came down to earth with a crash in the fray.

The Freebooters of the Wilderness 1903

It is the heart-wood, brought by Diospyros ebenus, which grows in Ceylon and Southern India.

Easton's Bible Dictionary M.G. Easton 1897