1) Attention getter of yore 2) Be attentive 3) Call to attention 4) Carol opener 5) Carol start 6) Christmas carol opener 7) Christmas carol starter 8) Command to a listener 9) Exclusively Saxon word 10) Exclusively Anglo word 11) Give ear 12) Hamlet directive 13) Harken 14) Hearken 15) Listen carefully 1) Harken 2) Hear 3) Hearken 
If you searched for Hark you may be looking for: Hark is also a surname: Hark can be a given name: ...
to pay close attention; to listen
• (v. i.) To listen; to hearken.
Hark (härk) intransitive verb [ Middle English herken . See Hearken .] To listen; to hearken. [ Now rare, except in the imperative form used as an interjection, Hark! listen.] Hudibras. Hark away! Hark back! Hark forward! (Sporting) , 
[v] - listen
harken verb listen; used mostly in the imperative
listen