### Clue: First loch to feature in article – it's emblematic (7)
### Answer: THISTLE 
 ### Explanation: Definition: it's emblematic
 [ IST(1st/first, with the Roman numeral substitution) + L(abbrev. for "loch") ] **contained in**(to feature in) THE(article in English grammar).
Defn: …, as used by the Scottish.