Methuselah

Boyd’s Bible Dictionary:

(dart-man). Grandfather of Noah; oldest of antediluvians. Lived 969 years (Gen. 5:21-27).

Concise Bible Dictionary:

Son of Enoch, and the seventh from Adam: he lived 969 years, longer than any other person, and died in the year of the flood (Gen. 5:21-27; 1 Chron. 1:3). He is called MATHUSALA in Luke 3:37.

Strong’s Dictionary of Hebrew Words:

Transliteration:
Mthuwshelach
Phonic:
meth-oo-sheh’-lakh
Meaning:
from 4962 and 7973; man of a dart; Methushelach, an antediluvian patriarch
KJV Usage:
Methuselah

Jackson’s Dictionary of Scripture Proper Names:

they died—the dart: man of the dart

Potts’ Bible Proper Names:

Sending forth of death; man of offspring or of the dart:―son of Enoch, Gen. 5:21. {Mortis emissio}