class_docstr: Represents a single PanLex meaning. A meaning is a translation set derived
  from a single source.
class_docstr_tok: ["Represents","a","single","PanLex","meaning",".","A","meaning","is","a","translation","set","derived","from","a","single","source","."]
docstr: :return: the meaning's source id.
  :rtype: int
docstr_tok: [":","return",":","the","meaning","'s","source","id",".",":","rtype",":","int"]
code: def source(self):
      """
      :return: the meaning's source id.
      :rtype: int
      """
      return self["ap"]
  
file_path: nltk/nltk/corpus/reader/panlex_lite.py
imports: import os
  import sqlite3
  from nltk.corpus.reader.api import CorpusReader
label_desc: Use image node_id 4 for calling the Meaning obj's underlying member method code with example usage: obj.source() and returns: self