tab

1
[ tab ]
/ tæb /

noun

verb (used with object), tabbed, tab·bing.

to furnish or ornament with a tab or tabs.
to name or designate.

verb (used without object), tabbed, tab·bing.

to operate the tab function on a typewriter or computer.

Idioms for tab

    keep tabs/tab on, Informal. to keep an account of; check on; observe: The police kept tabs on the suspect's activities.

Origin of tab

1
1600–10; most senses of unknown origin;in def 7 short for tabulator; in def 10 short for tableau; in defs 4, 15 short for table

Definition for tab (2 of 3)

tab2
[ tab ]
/ tæb /

noun Informal.

Slang. a tablet, as of a drug or medication.

Origin of tab

2
by shortening

Definition for tab (3 of 3)

tab.

tables.
(in prescriptions) tablet.

Origin of tab.

From the Latin word tabella
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tab

British Dictionary definitions for tab (1 of 4)

tab1
/ (tæb) /

noun

verb tabs, tabbing or tabbed

(tr) to supply (files, clothing, etc) with a tab or tabs

Word Origin for tab

C17: of unknown origin

British Dictionary definitions for tab (2 of 4)

tab2
/ (tæb) /

noun

short for tabulator, tablet
slang a portion of a drug, esp LSD or ecstasy

British Dictionary definitions for tab (3 of 4)

TAB

abbreviation for

typhoid-paratyphoid A and B (vaccine)
Australian and NZ Totalizator Agency Board

British Dictionary definitions for tab (4 of 4)

tab.

abbreviation for

table (list or chart)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with tab

tab

see keep tabs on.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.