Yes. The compound word daybreak can be considered a synonym for "sunrise" or "dawn."
dawn - sunrise, daybreak
I can't wait till daybreak comes!
Yes, the word 'daybreak' is a noun; a word for the time when daylight of a 24 hour period first appears, dawn; a word for a thing.
dawn
Daybreak has two syllables. The syllables are day-break.
Daybreak
Daybreak
2
Sunrise; daybreak
break, dumbhead
2. what are you some kind of tard?
No, the word "daybreak" is not an iamb. An iamb is a metrical foot consisting of an unstressed syllable followed by a stressed syllable (da-DUM). In "daybreak," the stress falls on the first syllable ("DAY-break"), making it a trochee instead.