Aerobics – watch the video to know the pronunciation & definition / meaning of the word Click Here to SUBSCRIBE –► Troll / Like / Follow / Pin us at Facebook –► Pinterest –► Twitter –► G+ –► Word Wor(l)d is an English to English Audio Video Dictionary available free online on YouTube with Definitions, Pronunciation, Word Meaning, Thesaurus – Synonyms / Antonyms and other details to improve your vocabulary & language skills!!