cribrum (kribrum)

[L., a sieve: see crib ble, n.] In math., the sieve of Eratosthenes, cribbing. cribwork (krib'wėrk), n. A construction of timber made by piling logs or beams horizontally one above another, and spiking or chaining them together, each layer being at right angles to those above and below it. The structure is a usual one for supporting wharves and inclosing submerged lands which are to be reclaimed by filling in, in which uses the cribs are anchored by being filled in with stone, and are further held in place by piles driven down within them and along their faces.