Enclosed drain under a road or railway. channel stream or drain through culvert.

arrangement of and relations between parts or elements of something complex. construct or arrange according to plan.

easily understood or done.

totally.

forming or viewed as unit apart or by itself. individual items of clothing suitable for wearing in different combinations. cause to move or be apart.

moving or situated in opposite direction from that in which river flows. In the direction opposite the flow of river/stream.

thing that is needed or wanted. Demands that someone does some things.

appealing to or attracting someone, even if wrong or unwise. To make someone want something even if it's bad.

No more and no less than; precisely.

Period or time in your life, e.g. your childhood.

Shape of someone's head when viewed from the side. describe in short article.

engaging in speech. action of talking. To make a formal speech about something.

Size or amount of something or someone.

True or accurate. To write marks on a piece of work to show mistakes.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.