a. [ L. cribrum sieve + -form: cf. F. cribriforme. ] Resembling, or having the form of, a sieve; pierced with holes; as, the cribriform plate of the ethmoid bone; a cribriform compress. [ 1913 Webster ]
Cribriform cells (Bot.), those which have here and there oblique or transverse sieve plates, or places perforated with many holes. [ 1913 Webster ]