intercross

From the curving inwards of the two lobes, as they move towards each other, the straight marginal spikes intercross by their tips at first, and ultimately by their bases.

From Insectivorous Plants by Darwin, Charles

For the sides approach in an arching way, surrounding a considerable cavity, and the marginal spine-like bristles merely intercross their tips, leaving intervening spaces through which one may look into the cavity beneath.

From Darwiniana; Essays and Reviews Pertaining to Darwinism by Gray, Asa

If two distinct breeds were to be confined together in equal numbers, there is reason to suspect that they would to a certain extent prefer pairing with their own kind; but they would likewise intercross.

From The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Darwin, Charles

There is no doubt that these three pheasants, namely, the common, the true ring-necked, and the Japan, intercross, and are becoming blended together in the woods of several parts of England.

From On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition) by Darwin, Charles

Where the filaments intercross closely, are felted, and inclined to form a membrane, it is hymenoid mycelium.

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas