Abreast
Pronunciation : A*breast"
Part of Speech : adv.
Etymology : [Pref. a- + breast.]
Definition : 1. Side by side, with breasts in a line; as, "Two men could hardly walk abreast." Macaulay.
2. (Naut.)
Defn: Side by side; also, opposite; over against; on a line with the vessel's beam; -- with of.
3. Up to a certain level or line; equally advanced; as, to keep abreast of [or with] the present state of science.
4. At the same time; simultaneously. [Obs.] Abreast therewith began a convocation. Fuller.
Source : Webster's Unabridged Dictionary, 1913