Cribriform
ahd-5
adjective.
Perforated like a sieve.
The Century Dictionary and Cyclopedia
Sieve-like; riddled with small holes.
The cribriform lamella of the ethmoid, above described.
the GNU version of the Collaborative International Dictionary of English
adjective.
Resembling, or having the form of, a sieve; pierced with holes.
adjective.
those which have here and there oblique or transverse sieve plates, or places perforated with many holes.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Perforated
, as in the manner of a
sieve
.