sideways supine[as in laying in bed]
Horizontal position is strate 90 degree
A line
Horizontal is an adjective meaning "of, relating to or near the horizon."
horizontal expansion A+
It is a rectangle which is similar to the base.
posterior is similar in meaning to what?
Poly has a similar meaning with multi-.
similar meaning
It would be a rectangle that is similar to the base.
The horizontal line above vowels means the letter is a long vowel.
A similar meaning to masticate is the word: chew.
similar in meaning to expedite.