The mean is the average value.
term
Literally, yes. Figuratively, to most people, no. The term 'four letter word' normally refers to four letter curse words.
abed
In re
term
"Odds".
Abba- An intimate term for God as father. According to the OED. area
A four letter word starting with the letter a is able.
B.A.D.
I think the term may be "re-up"
A four letter word for 'in addition to' is also.
Lard is a four letter word for grease.