Is “Cohort” a Scrabble word?

1.A group of people supporting the same thing or person.

2.A demographic grouping of people, especially those in a defined age group, or having a common characteristic.

“The 18-24 cohort shows a sharp increase in automobile fatalities over the proximate age groupings.”

3.Any division of a Roman legion, normally of about 500 men.

“Three cohorts of men were assigned to the region.”

1.To associate with such a group