heiligbeen

== Dutch == === Etymology === From heilig +‎ been, calque of Latin os sacrum. === Pronunciation === IPA(key): /ˈɦɛi̯.ləxˌbeːn/ Hyphenation: hei‧lig‧been === Noun === heiligbeen n (plural heiligbeenderen, diminutive heiligbeentje n) (anatomy) sacrum