ostrichism UK /ˈɒstɹɪtʃɪz(ə)m/US /ˈɑstɹit͡ʃˌɪzəm/ noun2 •The act of hiding, often unsuccessfully, by ducking one's head out of view. •A policy of burying one's head in the sand, that is, ignoring the reality of a situation.[Torpey] had, upon the principles of ostrichism, sewn up a valuable diamond in the waistband of his trousers, which he fondly intended for his fond and loving wife; and accomplice in his crimes; […] — 1871