4 occurrences in 4 dictionaries
Reference: Appaim
Fausets
Hastings
A man of Judah (1Ch 2:30-31).
Morish
Ap'paim
Son of Nadab, of the tribe of Judah. 1Ch 2:30-31.
Smith
Appa'im
or Ap'paim (the nostrils), son of Nadab, and descended from Jerahmeel, the founder of an important family of the tribe of Judah.