Verb

(head)

(observe)

Verb

(observ)

(lb) To notice or view, especially carefully or with attention to detail.

:

*1892 , (Arthur Conan Doyle),

*:“One horse?” interjected Holmes. ¶ “Yes, only one.” ¶ “Did you observe the colour?”

*{{quote-magazine, date=2013-03, author=Frank Fish, George Lauder

, volume=101, issue=2, page=114, magazine=(American Scientist) , title= Not Just Going with the Flow , passage=An extreme version of vorticity is a vortex . The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.}}

(lb) To follow or obey the custom, practice, or rules (especially of a religion).

:

*Bible, (w)

*:Ye shall observe the feast of unleavened bread.

*{{quote-news, year=2011, date=November 10, author=Jeremy Wilson, work=Telegraph

, title= England Under 21 5 Iceland Under 21 0: match report , passage=A sell-out crowd of 10,000 then observed perfectly a period of silence before the team revealed their black armbands, complete with stitched-in poppies, for the match. After Fifa’s about-turn, it must have been a frantic few days for the England kit manufacturer. The on-field challenge was altogether more straightforward. }}

(lb) To comment on something; to make an observation.

:

*

*:Elbows almost touching they leaned at ease, idly reading the almost obliterated lines engraved there. ¶ ("I never) understood it," she observed , lightly scornful. "What occult meaning has a sun-dial for the spooney? I'm sure I don't want to read riddles in a strange gentleman's optics."

Verb

(head)

(indicate)

Verb

(indicat)

To point out; to discover; to direct to a knowledge of; to show; to make known.

:

*

*:With just the turn of a shoulder she indicated the water front, where, at the end of the dock on which they stood, lay the good ship, Mount Vernon , river packet, the black smoke already pouring from her stacks.

*{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)

, chapter=20 citation , passage=The story struck the depressingly familiar note with which true stories ring in the tried ears of experienced policemen.

*{{quote-magazine, year=2013, month=May-June, author= Katrina G. Claw

, title= Rapid Evolution in Eggs and Sperm , volume=101, issue=3, magazine=(American Scientist) , passage=Many genes with reproductive roles also have antibacterial and immune functions, which indicate that the threat of microbial attack on the sperm or egg may be a major influence on rapid evolution during reproduction.}}

To show or manifest by symptoms; to point to as the proper remedies.

:

To signal in a vehicle the desire to turn right or left.

To investigate the condition or power of, as of steam engine, by means of an indicator.

*1903', "How to '''indicate an engine" in ''The Star Improved Steam Engine Indicator , p.64:

*:To a person who is familiar with the use of an indicator, whether it be of one make or another, it is needless to give instructions as to how an engine should be indicated ,.

*1905 , Power , Vol.25, p.448:

*:I found it fully as easy to indicate an engine at a speed of 320 to 340 revolutions as at 80.

*1905 , Central Station , Vol.5, p.76:

*:An indicator will give the working of these valves at all times and soon return its cost in higher engine efficiency. The day has passed when it was only the expert who could indicate an engine or afford to own an indicator.