crannyyoudaoicibaDictYouDict
cranny: see crenellate
cranny (n.)youdaoicibaDictYouDict
mid-15c., possibly from a diminutive of Middle French cran "notch, fissure" (14c.), from crener "to notch, split," from Medieval Latin crenare, possibly from Latin cernere "to separate, sift" (see crisis). But OED casts doubt on this derivation.