Explain the word length​

the measurement or extent of something from end to end

Explanation:

1st Grade Version

It's like height but the opposite direction. Height goes up and down. Length goes side to side. It's usually used as a measurement for specific things.

Long and 8th grade version

the measurement or extent of something from end to end; the greater of two or the greatest of three dimensions of a body.

the quality of being long.

"the length of the waiting list"

the length of a swimming pool as a measure of the distance swum.

"fifty lengths of the pool"

the length of a horse, boat, etc., as a measure of the lead in a race.

"the mare won the race last year by seven lengths"

the extent of a garment in a vertical direction when worn.

"the length of her skirt"

the full distance that a thing extends for.

"the muscles running the length of my spine"

the full extent of one's body.

noun: one's length; plural noun: one's lengths

"he awkwardly lowered his length into the small car"

the metrical quantity or duration of a vowel or syllable

he amount of time occupied by something.

a piece or stretch of something.

an extreme to which a course of action is taken.

Explanation: