Definition of 「伀」:
1. (verb) To be in a state of fear; for example, “~矇,” referring to a situation of being scared or flustered, as in “to dread and be lightly treated.”
2. (noun) A title of respect; a term used to address one’s father-in-law or the elder brother of one’s husband. In Han Dynasty, Liu Xi’s "Shiming" states: "In common usage, a maternal uncle is also called 'zhang,' and additionally '伀.'"
3. (noun) A respectful term used to refer to one's husband’s father, as elaborated by Liu Xi in "Shiming" regarding kinship terms.
4. (verb) To feel afraid or fearful, as noted in "Zihui" under the section on people: "伀 means to be afraid."