Tailing

• POS: Noun
• HYPHEN: tail=ing

CIDE DICTIONARY

Tailing, n. 

•  The part of a projecting stone or brick inserted in a wall.  Gwilt.  [1913 Webster]
•  Same as Tail, n., 8 (a).  [1913 Webster]
•  Sexual intercourse.  Chaucer.  [1913 Webster]
•  The lighter parts of grain separated from the seed threshing and winnowing; chaff.  [1913 Webster]
•  The refuse part of stamped ore, thrown behind the tail of the buddle or washing apparatus. It is dressed over again to secure whatever metal may exist in it. Called also tails.  Pryce.  [1913 Webster]
•  A prolongation of current in a telegraph line, due to capacity in the line and causing signals to run together.  [Webster 1913 Suppl.]

OXFORD DICTIONARY

Tailing, n.
1 (in pl.) the refuse or inferior part of grain or ore etc.
2 the part of a beam or projecting brick etc. embedded in a wall.

THESAURUS

Tailing

bugging, chasing, cloak-and-dagger work, counterespionage, counterintelligence, dogging, electronic surveillance, espial, espionage, following, heeling, hounding, intelligence, intelligence work, military intelligence, observation, pursual, pursuance, pursuit, secret police, secret service, sequel, sequence, series, shadowing, spying, stakeout, surveillance, trailing, wiretap, wiretapping