What is the meaning of Cal?

calorie

Clipping of calorie.

Clipping of caliber.

Clipping of calendar.

Clipping of calibration.

wolfram, an ore of tungsten.

1858, Peter Lund Simmonds, The Dictionary of Trade Products

calcium hydroxide, slaked lime

horse

Contraction of ca el.

third-person singular present indicative of caldre

to fine-tune; to calibrate (a hardware, e.g. camera, television, speakers)

as

road, street

street, alley

horse

cabbage, kale, colewort

lime (calcium oxide)

Alternative form of qual

an enclosed habitational space, a house or room

callus (hardened part of the skin)

lime (calcium oxide)

ditch

furrow

mill race

chute

which (what one)

Abbreviation of caloría.

inch (English unit of length equal to 1/12 of a foot or 2.54 cm, conceived as roughly the width of a thumb)

second-person singular imperative of calić

lime (calcium oxide)

horse

knight

lime (calcium oxide)

Symbol of caloría

occupation

office (position)

profession

Source: wiktionary.org