Pronunciation: [hˈadst pˈɪkt͡ʃəɹ ɒv] (IPA) 
The spelling of "hadst picture of" is a combination of archaic and standard English. "Hadst" is the second person singular past tense of "have" in the archaic style, pronounced as /hædst/. "Picture" is a common word today, pronounced as /ˈpɪktʃər/. Lastly, "of" is a preposition, pronounced as /ʌv/. Therefore, "hadst picture of" means "you had a picture of" and is a phrase that is seldom used in present-day English.
There is no specific dictionary definition for the phrase "hadst picture of" as it appears to be a combination of archaic English words. However, an analysis of the words "hadst," "picture," and "of" individually can provide some understanding:
1. Hadst: "Hadst" is the archaic second-person singular past tense form of the verb "to have" in Middle English. It is derived from the Old English word "hæfde." It basically means "you had" and is used to refer to possession or ownership of something.
2. Picture: "Picture" is a noun that refers to a visual representation or graphical depiction of something or someone. It can be a painting, photograph, or even a mental image. A picture is often used to capture or represent a scene, person, or object.
3. Of: "Of" is a preposition that expresses the relationship between two or more things, indicating the association, connection, or possession. It can convey the idea of belonging or origin.
When combined, the phrase "hadst picture of" would suggest an older form of English where the person being referred to (using "hadst") possessed or owned a visual representation (a "picture") of something or someone. The addition of "of" indicates that the possession relates to the subject or content depicted in the picture.
